Home / 293,514.17-440,282.72-91,131.28

Finding the Fourth Proportional to 293,514.17, 440,282.72 and 91,131.28

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Solution

The fourth proportional to 293,514.17, 440,282.72 and 91,131.28 is: 136,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,514.17 : 440,282.72 = 91,131.28 : x
  2. Step 2: Convert to fraction form
    293,514.17/440,282.72 = 91,131.28/x
  3. Step 3: Cross multiply
    293,514.17x = 440,282.72 × 91,131.28
  4. Step 4: Simplify right side
    293,514.17x = 40,123,526,962.60
  5. Step 5: Solve for x
    x = 40,123,526,962.60/293,514.17
  6. Step 6: Final answer
    x = 136,700.48

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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.