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Finding the Fourth Proportional to 360,020.64, 496,818.84 and 198,872.22

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Solution

The fourth proportional to 360,020.64, 496,818.84 and 198,872.22 is: 274,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,020.64 : 496,818.84 = 198,872.22 : x
  2. Step 2: Convert to fraction form
    360,020.64/496,818.84 = 198,872.22/x
  3. Step 3: Cross multiply
    360,020.64x = 496,818.84 × 198,872.22
  4. Step 4: Simplify right side
    360,020.64x = 98,803,465,648.62
  5. Step 5: Solve for x
    x = 98,803,465,648.62/360,020.64
  6. Step 6: Final answer
    x = 274,438.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.