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Finding the Fourth Proportional to 487,006.83, 730,658.07 and 234,215.58

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Solution

The fourth proportional to 487,006.83, 730,658.07 and 234,215.58 is: 351,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,006.83 : 730,658.07 = 234,215.58 : x
  2. Step 2: Convert to fraction form
    487,006.83/730,658.07 = 234,215.58/x
  3. Step 3: Cross multiply
    487,006.83x = 730,658.07 × 234,215.58
  4. Step 4: Simplify right side
    487,006.83x = 171,131,506,386.70
  5. Step 5: Solve for x
    x = 171,131,506,386.70/487,006.83
  6. Step 6: Final answer
    x = 351,394.47

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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.