Home / 375,257.30-517,858.13-222,304.19

Finding the Fourth Proportional to 375,257.30, 517,858.13 and 222,304.19

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Solution

The fourth proportional to 375,257.30, 517,858.13 and 222,304.19 is: 306,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,257.30 : 517,858.13 = 222,304.19 : x
  2. Step 2: Convert to fraction form
    375,257.30/517,858.13 = 222,304.19/x
  3. Step 3: Cross multiply
    375,257.30x = 517,858.13 × 222,304.19
  4. Step 4: Simplify right side
    375,257.30x = 115,122,031,013.04
  5. Step 5: Solve for x
    x = 115,122,031,013.04/375,257.30
  6. Step 6: Final answer
    x = 306,781.59

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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.