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Finding the Fourth Proportional to 378,359.82, 567,537.68 and 162,186.72

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Solution

The fourth proportional to 378,359.82, 567,537.68 and 162,186.72 is: 243,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,359.82 : 567,537.68 = 162,186.72 : x
  2. Step 2: Convert to fraction form
    378,359.82/567,537.68 = 162,186.72/x
  3. Step 3: Cross multiply
    378,359.82x = 567,537.68 × 162,186.72
  4. Step 4: Simplify right side
    378,359.82x = 92,047,071,957.92
  5. Step 5: Solve for x
    x = 92,047,071,957.92/378,359.82
  6. Step 6: Final answer
    x = 243,279.19

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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.