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Finding the Fourth Proportional to 372,983.94, 515,145.42 and 246,225.42

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Solution

The fourth proportional to 372,983.94, 515,145.42 and 246,225.42 is: 340,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,983.94 : 515,145.42 = 246,225.42 : x
  2. Step 2: Convert to fraction form
    372,983.94/515,145.42 = 246,225.42/x
  3. Step 3: Cross multiply
    372,983.94x = 515,145.42 × 246,225.42
  4. Step 4: Simplify right side
    372,983.94x = 126,841,897,400.58
  5. Step 5: Solve for x
    x = 126,841,897,400.58/372,983.94
  6. Step 6: Final answer
    x = 340,073.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.