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Finding the Fourth Proportional to 499,133.52, 749,050.20 and 288,481.68

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Solution

The fourth proportional to 499,133.52, 749,050.20 and 288,481.68 is: 432,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,133.52 : 749,050.20 = 288,481.68 : x
  2. Step 2: Convert to fraction form
    499,133.52/749,050.20 = 288,481.68/x
  3. Step 3: Cross multiply
    499,133.52x = 749,050.20 × 288,481.68
  4. Step 4: Simplify right side
    499,133.52x = 216,087,260,100.34
  5. Step 5: Solve for x
    x = 216,087,260,100.34/499,133.52
  6. Step 6: Final answer
    x = 432,924.76

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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.