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Finding the Fourth Proportional to 393,000.60, 590,084.10 and 275,194.20

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Solution

The fourth proportional to 393,000.60, 590,084.10 and 275,194.20 is: 413,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,000.60 : 590,084.10 = 275,194.20 : x
  2. Step 2: Convert to fraction form
    393,000.60/590,084.10 = 275,194.20/x
  3. Step 3: Cross multiply
    393,000.60x = 590,084.10 × 275,194.20
  4. Step 4: Simplify right side
    393,000.60x = 162,387,721,832.22
  5. Step 5: Solve for x
    x = 162,387,721,832.22/393,000.60
  6. Step 6: Final answer
    x = 413,199.68

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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.