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Finding the Fourth Proportional to 249,167.76, 373,800.96 and 91,397.58

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Solution

The fourth proportional to 249,167.76, 373,800.96 and 91,397.58 is: 137,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,167.76 : 373,800.96 = 91,397.58 : x
  2. Step 2: Convert to fraction form
    249,167.76/373,800.96 = 91,397.58/x
  3. Step 3: Cross multiply
    249,167.76x = 373,800.96 × 91,397.58
  4. Step 4: Simplify right side
    249,167.76x = 34,164,503,145.68
  5. Step 5: Solve for x
    x = 34,164,503,145.68/249,167.76
  6. Step 6: Final answer
    x = 137,114.46

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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.