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Finding the Fourth Proportional to 379,132.56, 568,697.04 and 98,649.36

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Solution

The fourth proportional to 379,132.56, 568,697.04 and 98,649.36 is: 147,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,132.56 : 568,697.04 = 98,649.36 : x
  2. Step 2: Convert to fraction form
    379,132.56/568,697.04 = 98,649.36/x
  3. Step 3: Cross multiply
    379,132.56x = 568,697.04 × 98,649.36
  4. Step 4: Simplify right side
    379,132.56x = 56,101,599,029.89
  5. Step 5: Solve for x
    x = 56,101,599,029.89/379,132.56
  6. Step 6: Final answer
    x = 147,973.57

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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.