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Finding the Fourth Proportional to 499,289.73, 748,860.76 and 183,672.82

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Solution

The fourth proportional to 499,289.73, 748,860.76 and 183,672.82 is: 275,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,289.73 : 748,860.76 = 183,672.82 : x
  2. Step 2: Convert to fraction form
    499,289.73/748,860.76 = 183,672.82/x
  3. Step 3: Cross multiply
    499,289.73x = 748,860.76 × 183,672.82
  4. Step 4: Simplify right side
    499,289.73x = 137,545,367,576.54
  5. Step 5: Solve for x
    x = 137,545,367,576.54/499,289.73
  6. Step 6: Final answer
    x = 275,482.07

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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.