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Finding the Fourth Proportional to 534,174.88, 737,159.37 and 304,731.79

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Solution

The fourth proportional to 534,174.88, 737,159.37 and 304,731.79 is: 420,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,174.88 : 737,159.37 = 304,731.79 : x
  2. Step 2: Convert to fraction form
    534,174.88/737,159.37 = 304,731.79/x
  3. Step 3: Cross multiply
    534,174.88x = 737,159.37 × 304,731.79
  4. Step 4: Simplify right side
    534,174.88x = 224,635,894,335.37
  5. Step 5: Solve for x
    x = 224,635,894,335.37/534,174.88
  6. Step 6: Final answer
    x = 420,528.75

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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.