Home / 461,253.20-636,529.13-257,304.08

Finding the Fourth Proportional to 461,253.20, 636,529.13 and 257,304.08

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Solution

The fourth proportional to 461,253.20, 636,529.13 and 257,304.08 is: 355,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,253.20 : 636,529.13 = 257,304.08 : x
  2. Step 2: Convert to fraction form
    461,253.20/636,529.13 = 257,304.08/x
  3. Step 3: Cross multiply
    461,253.20x = 636,529.13 × 257,304.08
  4. Step 4: Simplify right side
    461,253.20x = 163,781,537,718.68
  5. Step 5: Solve for x
    x = 163,781,537,718.68/461,253.20
  6. Step 6: Final answer
    x = 355,079.47

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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.