Home / 378,427.92-567,751.50-112,193.52

Finding the Fourth Proportional to 378,427.92, 567,751.50 and 112,193.52

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Solution

The fourth proportional to 378,427.92, 567,751.50 and 112,193.52 is: 168,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,427.92 : 567,751.50 = 112,193.52 : x
  2. Step 2: Convert to fraction form
    378,427.92/567,751.50 = 112,193.52/x
  3. Step 3: Cross multiply
    378,427.92x = 567,751.50 × 112,193.52
  4. Step 4: Simplify right side
    378,427.92x = 63,698,039,270.28
  5. Step 5: Solve for x
    x = 63,698,039,270.28/378,427.92
  6. Step 6: Final answer
    x = 168,322.78

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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.