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Finding the Fourth Proportional to 254,429.70, 381,644.55 and 249,764.10

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Solution

The fourth proportional to 254,429.70, 381,644.55 and 249,764.10 is: 374,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,429.70 : 381,644.55 = 249,764.10 : x
  2. Step 2: Convert to fraction form
    254,429.70/381,644.55 = 249,764.10/x
  3. Step 3: Cross multiply
    254,429.70x = 381,644.55 × 249,764.10
  4. Step 4: Simplify right side
    254,429.70x = 95,321,107,550.66
  5. Step 5: Solve for x
    x = 95,321,107,550.66/254,429.70
  6. Step 6: Final answer
    x = 374,646.15

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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.