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Finding the Fourth Proportional to 252,526.60, 379,227.30 and 134,428.60

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Solution

The fourth proportional to 252,526.60, 379,227.30 and 134,428.60 is: 201,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,526.60 : 379,227.30 = 134,428.60 : x
  2. Step 2: Convert to fraction form
    252,526.60/379,227.30 = 134,428.60/x
  3. Step 3: Cross multiply
    252,526.60x = 379,227.30 × 134,428.60
  4. Step 4: Simplify right side
    252,526.60x = 50,978,995,020.78
  5. Step 5: Solve for x
    x = 50,978,995,020.78/252,526.60
  6. Step 6: Final answer
    x = 201,875.74

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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.