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Finding the Fourth Proportional to 378,003.60, 567,005.40 and 244,159.20

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Solution

The fourth proportional to 378,003.60, 567,005.40 and 244,159.20 is: 366,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,003.60 : 567,005.40 = 244,159.20 : x
  2. Step 2: Convert to fraction form
    378,003.60/567,005.40 = 244,159.20/x
  3. Step 3: Cross multiply
    378,003.60x = 567,005.40 × 244,159.20
  4. Step 4: Simplify right side
    378,003.60x = 138,439,584,859.68
  5. Step 5: Solve for x
    x = 138,439,584,859.68/378,003.60
  6. Step 6: Final answer
    x = 366,238.80

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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.