Home / 313,727.52-432,725.04-206,263.20

Finding the Fourth Proportional to 313,727.52, 432,725.04 and 206,263.20

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Solution

The fourth proportional to 313,727.52, 432,725.04 and 206,263.20 is: 284,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,727.52 : 432,725.04 = 206,263.20 : x
  2. Step 2: Convert to fraction form
    313,727.52/432,725.04 = 206,263.20/x
  3. Step 3: Cross multiply
    313,727.52x = 432,725.04 × 206,263.20
  4. Step 4: Simplify right side
    313,727.52x = 89,255,251,470.53
  5. Step 5: Solve for x
    x = 89,255,251,470.53/313,727.52
  6. Step 6: Final answer
    x = 284,499.27

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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.