Home / 254,502.20-381,753.30-164,689.40

Finding the Fourth Proportional to 254,502.20, 381,753.30 and 164,689.40

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Solution

The fourth proportional to 254,502.20, 381,753.30 and 164,689.40 is: 247,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,502.20 : 381,753.30 = 164,689.40 : x
  2. Step 2: Convert to fraction form
    254,502.20/381,753.30 = 164,689.40/x
  3. Step 3: Cross multiply
    254,502.20x = 381,753.30 × 164,689.40
  4. Step 4: Simplify right side
    254,502.20x = 62,870,721,925.02
  5. Step 5: Solve for x
    x = 62,870,721,925.02/254,502.20
  6. Step 6: Final answer
    x = 247,034.10

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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.