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Finding the Fourth Proportional to 493,477.13, 740,286.38 and 151,949.52

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Solution

The fourth proportional to 493,477.13, 740,286.38 and 151,949.52 is: 227,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,477.13 : 740,286.38 = 151,949.52 : x
  2. Step 2: Convert to fraction form
    493,477.13/740,286.38 = 151,949.52/x
  3. Step 3: Cross multiply
    493,477.13x = 740,286.38 × 151,949.52
  4. Step 4: Simplify right side
    493,477.13x = 112,486,160,103.54
  5. Step 5: Solve for x
    x = 112,486,160,103.54/493,477.13
  6. Step 6: Final answer
    x = 227,946.05

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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.