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Finding the Fourth Proportional to 249,469.73, 374,263.61 and 80,989.73

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Solution

The fourth proportional to 249,469.73, 374,263.61 and 80,989.73 is: 121,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,469.73 : 374,263.61 = 80,989.73 : x
  2. Step 2: Convert to fraction form
    249,469.73/374,263.61 = 80,989.73/x
  3. Step 3: Cross multiply
    249,469.73x = 374,263.61 × 80,989.73
  4. Step 4: Simplify right side
    249,469.73x = 30,311,506,446.46
  5. Step 5: Solve for x
    x = 30,311,506,446.46/249,469.73
  6. Step 6: Final answer
    x = 121,503.75

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1.5x scale

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.