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Finding the Fourth Proportional to 202,845.60, 304,002.80 and 109,149.60

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Solution

The fourth proportional to 202,845.60, 304,002.80 and 109,149.60 is: 163,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,845.60 : 304,002.80 = 109,149.60 : x
  2. Step 2: Convert to fraction form
    202,845.60/304,002.80 = 109,149.60/x
  3. Step 3: Cross multiply
    202,845.60x = 304,002.80 × 109,149.60
  4. Step 4: Simplify right side
    202,845.60x = 33,181,784,018.88
  5. Step 5: Solve for x
    x = 33,181,784,018.88/202,845.60
  6. Step 6: Final answer
    x = 163,581.48

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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.