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Finding the Fourth Proportional to 378,345.62, 567,520.48 and 112,108.44

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Solution

The fourth proportional to 378,345.62, 567,520.48 and 112,108.44 is: 168,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,345.62 : 567,520.48 = 112,108.44 : x
  2. Step 2: Convert to fraction form
    378,345.62/567,520.48 = 112,108.44/x
  3. Step 3: Cross multiply
    378,345.62x = 567,520.48 × 112,108.44
  4. Step 4: Simplify right side
    378,345.62x = 63,623,833,328.20
  5. Step 5: Solve for x
    x = 63,623,833,328.20/378,345.62
  6. Step 6: Final answer
    x = 168,163.26

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1.5x scale

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.