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Finding the Fourth Proportional to 354,716.60, 532,334.10 and 249,740.60

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Solution

The fourth proportional to 354,716.60, 532,334.10 and 249,740.60 is: 374,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,716.60 : 532,334.10 = 249,740.60 : x
  2. Step 2: Convert to fraction form
    354,716.60/532,334.10 = 249,740.60/x
  3. Step 3: Cross multiply
    354,716.60x = 532,334.10 × 249,740.60
  4. Step 4: Simplify right side
    354,716.60x = 132,945,437,534.46
  5. Step 5: Solve for x
    x = 132,945,437,534.46/354,716.60
  6. Step 6: Final answer
    x = 374,793.39

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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.