Home / 313,724.52-432,720.93-206,260.20

Finding the Fourth Proportional to 313,724.52, 432,720.93 and 206,260.20

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Solution

The fourth proportional to 313,724.52, 432,720.93 and 206,260.20 is: 284,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,724.52 : 432,720.93 = 206,260.20 : x
  2. Step 2: Convert to fraction form
    313,724.52/432,720.93 = 206,260.20/x
  3. Step 3: Cross multiply
    313,724.52x = 432,720.93 × 206,260.20
  4. Step 4: Simplify right side
    313,724.52x = 89,253,105,565.99
  5. Step 5: Solve for x
    x = 89,253,105,565.99/313,724.52
  6. Step 6: Final answer
    x = 284,495.15

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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.