Home / 400,286.30-552,304.64-239,109.80

Finding the Fourth Proportional to 400,286.30, 552,304.64 and 239,109.80

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Solution

The fourth proportional to 400,286.30, 552,304.64 and 239,109.80 is: 329,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,286.30 : 552,304.64 = 239,109.80 : x
  2. Step 2: Convert to fraction form
    400,286.30/552,304.64 = 239,109.80/x
  3. Step 3: Cross multiply
    400,286.30x = 552,304.64 × 239,109.80
  4. Step 4: Simplify right side
    400,286.30x = 132,061,452,009.47
  5. Step 5: Solve for x
    x = 132,061,452,009.47/400,286.30
  6. Step 6: Final answer
    x = 329,917.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.