Home / 249,517.89-374,278.46-99,770.76

Finding the Fourth Proportional to 249,517.89, 374,278.46 and 99,770.76

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Solution

The fourth proportional to 249,517.89, 374,278.46 and 99,770.76 is: 149,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,517.89 : 374,278.46 = 99,770.76 : x
  2. Step 2: Convert to fraction form
    249,517.89/374,278.46 = 99,770.76/x
  3. Step 3: Cross multiply
    249,517.89x = 374,278.46 × 99,770.76
  4. Step 4: Simplify right side
    249,517.89x = 37,342,045,906.98
  5. Step 5: Solve for x
    x = 37,342,045,906.98/249,517.89
  6. Step 6: Final answer
    x = 149,656.79

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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.