Home / 249,790.28-374,600.76-81,268.96

Finding the Fourth Proportional to 249,790.28, 374,600.76 and 81,268.96

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Solution

The fourth proportional to 249,790.28, 374,600.76 and 81,268.96 is: 121,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,790.28 : 374,600.76 = 81,268.96 : x
  2. Step 2: Convert to fraction form
    249,790.28/374,600.76 = 81,268.96/x
  3. Step 3: Cross multiply
    249,790.28x = 374,600.76 × 81,268.96
  4. Step 4: Simplify right side
    249,790.28x = 30,443,414,180.41
  5. Step 5: Solve for x
    x = 30,443,414,180.41/249,790.28
  6. Step 6: Final answer
    x = 121,875.90

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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.