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Finding the Fourth Proportional to 372,174.90, 558,251.94 and 119,453.40

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Solution

The fourth proportional to 372,174.90, 558,251.94 and 119,453.40 is: 179,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,174.90 : 558,251.94 = 119,453.40 : x
  2. Step 2: Convert to fraction form
    372,174.90/558,251.94 = 119,453.40/x
  3. Step 3: Cross multiply
    372,174.90x = 558,251.94 × 119,453.40
  4. Step 4: Simplify right side
    372,174.90x = 66,685,092,289.60
  5. Step 5: Solve for x
    x = 66,685,092,289.60/372,174.90
  6. Step 6: Final answer
    x = 179,176.76

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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.