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Finding the Fourth Proportional to 293,517.60, 440,276.40 and 243,697.20

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Solution

The fourth proportional to 293,517.60, 440,276.40 and 243,697.20 is: 365,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,517.60 : 440,276.40 = 243,697.20 : x
  2. Step 2: Convert to fraction form
    293,517.60/440,276.40 = 243,697.20/x
  3. Step 3: Cross multiply
    293,517.60x = 440,276.40 × 243,697.20
  4. Step 4: Simplify right side
    293,517.60x = 107,294,125,906.08
  5. Step 5: Solve for x
    x = 107,294,125,906.08/293,517.60
  6. Step 6: Final answer
    x = 365,545.80

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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.