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Finding the Fourth Proportional to 356,770.66, 492,500.49 and 249,760.75

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Solution

The fourth proportional to 356,770.66, 492,500.49 and 249,760.75 is: 344,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,770.66 : 492,500.49 = 249,760.75 : x
  2. Step 2: Convert to fraction form
    356,770.66/492,500.49 = 249,760.75/x
  3. Step 3: Cross multiply
    356,770.66x = 492,500.49 × 249,760.75
  4. Step 4: Simplify right side
    356,770.66x = 123,007,291,757.77
  5. Step 5: Solve for x
    x = 123,007,291,757.77/356,770.66
  6. Step 6: Final answer
    x = 344,779.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.