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Finding the Fourth Proportional to 350,882.48, 526,342.85 and 110,978.46

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Solution

The fourth proportional to 350,882.48, 526,342.85 and 110,978.46 is: 166,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,882.48 : 526,342.85 = 110,978.46 : x
  2. Step 2: Convert to fraction form
    350,882.48/526,342.85 = 110,978.46/x
  3. Step 3: Cross multiply
    350,882.48x = 526,342.85 × 110,978.46
  4. Step 4: Simplify right side
    350,882.48x = 58,412,718,370.12
  5. Step 5: Solve for x
    x = 58,412,718,370.12/350,882.48
  6. Step 6: Final answer
    x = 166,473.74

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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.