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Finding the Fourth Proportional to 279,279.60, 418,458.60 and 237,807.60

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Solution

The fourth proportional to 279,279.60, 418,458.60 and 237,807.60 is: 356,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,279.60 : 418,458.60 = 237,807.60 : x
  2. Step 2: Convert to fraction form
    279,279.60/418,458.60 = 237,807.60/x
  3. Step 3: Cross multiply
    279,279.60x = 418,458.60 × 237,807.60
  4. Step 4: Simplify right side
    279,279.60x = 99,512,635,365.36
  5. Step 5: Solve for x
    x = 99,512,635,365.36/279,279.60
  6. Step 6: Final answer
    x = 356,319.03

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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.