Home / 325,311.10-487,966.65-103,695.10

Finding the Fourth Proportional to 325,311.10, 487,966.65 and 103,695.10

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Solution

The fourth proportional to 325,311.10, 487,966.65 and 103,695.10 is: 155,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,311.10 : 487,966.65 = 103,695.10 : x
  2. Step 2: Convert to fraction form
    325,311.10/487,966.65 = 103,695.10/x
  3. Step 3: Cross multiply
    325,311.10x = 487,966.65 × 103,695.10
  4. Step 4: Simplify right side
    325,311.10x = 50,599,750,568.42
  5. Step 5: Solve for x
    x = 50,599,750,568.42/325,311.10
  6. Step 6: Final answer
    x = 155,542.65

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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.