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Finding the Fourth Proportional to 537,082.16, 805,623.24 and 255,746.48

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Solution

The fourth proportional to 537,082.16, 805,623.24 and 255,746.48 is: 383,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,082.16 : 805,623.24 = 255,746.48 : x
  2. Step 2: Convert to fraction form
    537,082.16/805,623.24 = 255,746.48/x
  3. Step 3: Cross multiply
    537,082.16x = 805,623.24 × 255,746.48
  4. Step 4: Simplify right side
    537,082.16x = 206,035,307,836.20
  5. Step 5: Solve for x
    x = 206,035,307,836.20/537,082.16
  6. Step 6: Final answer
    x = 383,619.72

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.