Home / 323,727.10-485,590.65-181,426.30

Finding the Fourth Proportional to 323,727.10, 485,590.65 and 181,426.30

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Solution

The fourth proportional to 323,727.10, 485,590.65 and 181,426.30 is: 272,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,727.10 : 485,590.65 = 181,426.30 : x
  2. Step 2: Convert to fraction form
    323,727.10/485,590.65 = 181,426.30/x
  3. Step 3: Cross multiply
    323,727.10x = 485,590.65 × 181,426.30
  4. Step 4: Simplify right side
    323,727.10x = 88,098,914,944.10
  5. Step 5: Solve for x
    x = 88,098,914,944.10/323,727.10
  6. Step 6: Final answer
    x = 272,139.45

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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.