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Finding the Fourth Proportional to 472,601.86, 652,164.55 and 268,624.42

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Solution

The fourth proportional to 472,601.86, 652,164.55 and 268,624.42 is: 370,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,601.86 : 652,164.55 = 268,624.42 : x
  2. Step 2: Convert to fraction form
    472,601.86/652,164.55 = 268,624.42/x
  3. Step 3: Cross multiply
    472,601.86x = 652,164.55 × 268,624.42
  4. Step 4: Simplify right side
    472,601.86x = 175,187,323,988.31
  5. Step 5: Solve for x
    x = 175,187,323,988.31/472,601.86
  6. Step 6: Final answer
    x = 370,686.91

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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.