Home / 249,788.28-374,597.76-81,266.96

Finding the Fourth Proportional to 249,788.28, 374,597.76 and 81,266.96

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Solution

The fourth proportional to 249,788.28, 374,597.76 and 81,266.96 is: 121,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,788.28 : 374,597.76 = 81,266.96 : x
  2. Step 2: Convert to fraction form
    249,788.28/374,597.76 = 81,266.96/x
  3. Step 3: Cross multiply
    249,788.28x = 374,597.76 × 81,266.96
  4. Step 4: Simplify right side
    249,788.28x = 30,442,421,178.01
  5. Step 5: Solve for x
    x = 30,442,421,178.01/249,788.28
  6. Step 6: Final answer
    x = 121,872.90

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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.