Home / 378,593.04-567,822.96-138,657.36

Finding the Fourth Proportional to 378,593.04, 567,822.96 and 138,657.36

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Solution

The fourth proportional to 378,593.04, 567,822.96 and 138,657.36 is: 207,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,593.04 : 567,822.96 = 138,657.36 : x
  2. Step 2: Convert to fraction form
    378,593.04/567,822.96 = 138,657.36/x
  3. Step 3: Cross multiply
    378,593.04x = 567,822.96 × 138,657.36
  4. Step 4: Simplify right side
    378,593.04x = 78,732,832,580.99
  5. Step 5: Solve for x
    x = 78,732,832,580.99/378,593.04
  6. Step 6: Final answer
    x = 207,961.65

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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.