Home / 249,791.28-374,602.26-81,269.96

Finding the Fourth Proportional to 249,791.28, 374,602.26 and 81,269.96

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Solution

The fourth proportional to 249,791.28, 374,602.26 and 81,269.96 is: 121,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,791.28 : 374,602.26 = 81,269.96 : x
  2. Step 2: Convert to fraction form
    249,791.28/374,602.26 = 81,269.96/x
  3. Step 3: Cross multiply
    249,791.28x = 374,602.26 × 81,269.96
  4. Step 4: Simplify right side
    249,791.28x = 30,443,910,686.11
  5. Step 5: Solve for x
    x = 30,443,910,686.11/249,791.28
  6. Step 6: Final answer
    x = 121,877.40

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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.