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Finding the Fourth Proportional to 252,601.60, 379,209.60 and 189,779.20

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Solution

The fourth proportional to 252,601.60, 379,209.60 and 189,779.20 is: 284,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,601.60 : 379,209.60 = 189,779.20 : x
  2. Step 2: Convert to fraction form
    252,601.60/379,209.60 = 189,779.20/x
  3. Step 3: Cross multiply
    252,601.60x = 379,209.60 × 189,779.20
  4. Step 4: Simplify right side
    252,601.60x = 71,966,094,520.32
  5. Step 5: Solve for x
    x = 71,966,094,520.32/252,601.60
  6. Step 6: Final answer
    x = 284,899.60

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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.