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Finding the Fourth Proportional to 351,488.52, 527,313.96 and 114,848.64

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Solution

The fourth proportional to 351,488.52, 527,313.96 and 114,848.64 is: 172,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,488.52 : 527,313.96 = 114,848.64 : x
  2. Step 2: Convert to fraction form
    351,488.52/527,313.96 = 114,848.64/x
  3. Step 3: Cross multiply
    351,488.52x = 527,313.96 × 114,848.64
  4. Step 4: Simplify right side
    351,488.52x = 60,561,291,159.01
  5. Step 5: Solve for x
    x = 60,561,291,159.01/351,488.52
  6. Step 6: Final answer
    x = 172,299.49

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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.