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Finding the Fourth Proportional to 493,228.52, 739,398.45 and 177,463.28

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Solution

The fourth proportional to 493,228.52, 739,398.45 and 177,463.28 is: 266,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,228.52 : 739,398.45 = 177,463.28 : x
  2. Step 2: Convert to fraction form
    493,228.52/739,398.45 = 177,463.28/x
  3. Step 3: Cross multiply
    493,228.52x = 739,398.45 × 177,463.28
  4. Step 4: Simplify right side
    493,228.52x = 131,216,074,163.92
  5. Step 5: Solve for x
    x = 131,216,074,163.92/493,228.52
  6. Step 6: Final answer
    x = 266,035.05

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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.