Home / 389,414.60-537,507.14-228,304.52

Finding the Fourth Proportional to 389,414.60, 537,507.14 and 228,304.52

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Solution

The fourth proportional to 389,414.60, 537,507.14 and 228,304.52 is: 315,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,414.60 : 537,507.14 = 228,304.52 : x
  2. Step 2: Convert to fraction form
    389,414.60/537,507.14 = 228,304.52/x
  3. Step 3: Cross multiply
    389,414.60x = 537,507.14 × 228,304.52
  4. Step 4: Simplify right side
    389,414.60x = 122,715,309,594.27
  5. Step 5: Solve for x
    x = 122,715,309,594.27/389,414.60
  6. Step 6: Final answer
    x = 315,127.65

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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.