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Finding the Fourth Proportional to 373,446.48, 559,805.22 and 148,739.52

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Solution

The fourth proportional to 373,446.48, 559,805.22 and 148,739.52 is: 222,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,446.48 : 559,805.22 = 148,739.52 : x
  2. Step 2: Convert to fraction form
    373,446.48/559,805.22 = 148,739.52/x
  3. Step 3: Cross multiply
    373,446.48x = 559,805.22 × 148,739.52
  4. Step 4: Simplify right side
    373,446.48x = 83,265,159,716.29
  5. Step 5: Solve for x
    x = 83,265,159,716.29/373,446.48
  6. Step 6: Final answer
    x = 222,964.10

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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.