Home / 249,789.28-374,599.26-81,267.96

Finding the Fourth Proportional to 249,789.28, 374,599.26 and 81,267.96

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Solution

The fourth proportional to 249,789.28, 374,599.26 and 81,267.96 is: 121,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,789.28 : 374,599.26 = 81,267.96 : x
  2. Step 2: Convert to fraction form
    249,789.28/374,599.26 = 81,267.96/x
  3. Step 3: Cross multiply
    249,789.28x = 374,599.26 × 81,267.96
  4. Step 4: Simplify right side
    249,789.28x = 30,442,917,677.71
  5. Step 5: Solve for x
    x = 30,442,917,677.71/249,789.28
  6. Step 6: Final answer
    x = 121,874.40

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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.