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Finding the Fourth Proportional to 268,233.60, 402,350.40 and 141,700.80

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Solution

The fourth proportional to 268,233.60, 402,350.40 and 141,700.80 is: 212,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,233.60 : 402,350.40 = 141,700.80 : x
  2. Step 2: Convert to fraction form
    268,233.60/402,350.40 = 141,700.80/x
  3. Step 3: Cross multiply
    268,233.60x = 402,350.40 × 141,700.80
  4. Step 4: Simplify right side
    268,233.60x = 57,013,373,560.32
  5. Step 5: Solve for x
    x = 57,013,373,560.32/268,233.60
  6. Step 6: Final answer
    x = 212,551.20

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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.