Home / 378,329.78-567,577.70-112,111.13

Finding the Fourth Proportional to 378,329.78, 567,577.70 and 112,111.13

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Solution

The fourth proportional to 378,329.78, 567,577.70 and 112,111.13 is: 168,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,329.78 : 567,577.70 = 112,111.13 : x
  2. Step 2: Convert to fraction form
    378,329.78/567,577.70 = 112,111.13/x
  3. Step 3: Cross multiply
    378,329.78x = 567,577.70 × 112,111.13
  4. Step 4: Simplify right side
    378,329.78x = 63,631,777,309.80
  5. Step 5: Solve for x
    x = 63,631,777,309.80/378,329.78
  6. Step 6: Final answer
    x = 168,191.30

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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.