Home / 378,499.36-567,726.76-141,822.22

Finding the Fourth Proportional to 378,499.36, 567,726.76 and 141,822.22

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Solution

The fourth proportional to 378,499.36, 567,726.76 and 141,822.22 is: 212,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,499.36 : 567,726.76 = 141,822.22 : x
  2. Step 2: Convert to fraction form
    378,499.36/567,726.76 = 141,822.22/x
  3. Step 3: Cross multiply
    378,499.36x = 567,726.76 × 141,822.22
  4. Step 4: Simplify right side
    378,499.36x = 80,516,269,456.61
  5. Step 5: Solve for x
    x = 80,516,269,456.61/378,499.36
  6. Step 6: Final answer
    x = 212,724.98

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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.