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Finding the Fourth Proportional to 472,702.35, 652,313.12 and 281,712.27

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Solution

The fourth proportional to 472,702.35, 652,313.12 and 281,712.27 is: 388,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,702.35 : 652,313.12 = 281,712.27 : x
  2. Step 2: Convert to fraction form
    472,702.35/652,313.12 = 281,712.27/x
  3. Step 3: Cross multiply
    472,702.35x = 652,313.12 × 281,712.27
  4. Step 4: Simplify right side
    472,702.35x = 183,764,608,377.42
  5. Step 5: Solve for x
    x = 183,764,608,377.42/472,702.35
  6. Step 6: Final answer
    x = 388,753.32

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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.