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Finding the Fourth Proportional to 372,082.42, 558,071.07 and 119,330.06

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Solution

The fourth proportional to 372,082.42, 558,071.07 and 119,330.06 is: 178,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,082.42 : 558,071.07 = 119,330.06 : x
  2. Step 2: Convert to fraction form
    372,082.42/558,071.07 = 119,330.06/x
  3. Step 3: Cross multiply
    372,082.42x = 558,071.07 × 119,330.06
  4. Step 4: Simplify right side
    372,082.42x = 66,594,655,662.54
  5. Step 5: Solve for x
    x = 66,594,655,662.54/372,082.42
  6. Step 6: Final answer
    x = 178,978.24

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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.