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Finding the Fourth Proportional to 606,432.75, 909,260.24 and 251,691.63

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Solution

The fourth proportional to 606,432.75, 909,260.24 and 251,691.63 is: 377,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,432.75 : 909,260.24 = 251,691.63 : x
  2. Step 2: Convert to fraction form
    606,432.75/909,260.24 = 251,691.63/x
  3. Step 3: Cross multiply
    606,432.75x = 909,260.24 × 251,691.63
  4. Step 4: Simplify right side
    606,432.75x = 228,853,190,641.33
  5. Step 5: Solve for x
    x = 228,853,190,641.33/606,432.75
  6. Step 6: Final answer
    x = 377,376.04

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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.