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Finding the Fourth Proportional to 372,233.42, 558,077.95 and 119,369.98

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Solution

The fourth proportional to 372,233.42, 558,077.95 and 119,369.98 is: 178,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,233.42 : 558,077.95 = 119,369.98 : x
  2. Step 2: Convert to fraction form
    372,233.42/558,077.95 = 119,369.98/x
  3. Step 3: Cross multiply
    372,233.42x = 558,077.95 × 119,369.98
  4. Step 4: Simplify right side
    372,233.42x = 66,617,754,576.75
  5. Step 5: Solve for x
    x = 66,617,754,576.75/372,233.42
  6. Step 6: Final answer
    x = 178,967.69

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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.