Home / 325,246.10-487,869.15-207,002.30

Finding the Fourth Proportional to 325,246.10, 487,869.15 and 207,002.30

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Solution

The fourth proportional to 325,246.10, 487,869.15 and 207,002.30 is: 310,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,246.10 : 487,869.15 = 207,002.30 : x
  2. Step 2: Convert to fraction form
    325,246.10/487,869.15 = 207,002.30/x
  3. Step 3: Cross multiply
    325,246.10x = 487,869.15 × 207,002.30
  4. Step 4: Simplify right side
    325,246.10x = 100,990,036,149.05
  5. Step 5: Solve for x
    x = 100,990,036,149.05/325,246.10
  6. Step 6: Final answer
    x = 310,503.45

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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.