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Finding the Fourth Proportional to 373,019.52, 559,321.92 and 151,144.32

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Solution

The fourth proportional to 373,019.52, 559,321.92 and 151,144.32 is: 226,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,019.52 : 559,321.92 = 151,144.32 : x
  2. Step 2: Convert to fraction form
    373,019.52/559,321.92 = 151,144.32/x
  3. Step 3: Cross multiply
    373,019.52x = 559,321.92 × 151,144.32
  4. Step 4: Simplify right side
    373,019.52x = 84,538,331,259.49
  5. Step 5: Solve for x
    x = 84,538,331,259.49/373,019.52
  6. Step 6: Final answer
    x = 226,632.46

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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.