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Finding the Fourth Proportional to 230,191.60, 345,287.40 and 63,979.60

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Solution

The fourth proportional to 230,191.60, 345,287.40 and 63,979.60 is: 95,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,191.60 : 345,287.40 = 63,979.60 : x
  2. Step 2: Convert to fraction form
    230,191.60/345,287.40 = 63,979.60/x
  3. Step 3: Cross multiply
    230,191.60x = 345,287.40 × 63,979.60
  4. Step 4: Simplify right side
    230,191.60x = 22,091,349,737.04
  5. Step 5: Solve for x
    x = 22,091,349,737.04/230,191.60
  6. Step 6: Final answer
    x = 95,969.40

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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.