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Finding the Fourth Proportional to 502,592.34, 693,582.78 and 273,149.64

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Solution

The fourth proportional to 502,592.34, 693,582.78 and 273,149.64 is: 376,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,592.34 : 693,582.78 = 273,149.64 : x
  2. Step 2: Convert to fraction form
    502,592.34/693,582.78 = 273,149.64/x
  3. Step 3: Cross multiply
    502,592.34x = 693,582.78 × 273,149.64
  4. Step 4: Simplify right side
    502,592.34x = 189,451,886,667.20
  5. Step 5: Solve for x
    x = 189,451,886,667.20/502,592.34
  6. Step 6: Final answer
    x = 376,949.41

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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.