Home / 399,187.04-550,864.32-237,959

Finding the Fourth Proportional to 399,187.04, 550,864.32 and 237,959

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Solution

The fourth proportional to 399,187.04, 550,864.32 and 237,959 is: 328,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,187.04 : 550,864.32 = 237,959 : x
  2. Step 2: Convert to fraction form
    399,187.04/550,864.32 = 237,959/x
  3. Step 3: Cross multiply
    399,187.04x = 550,864.32 × 237,959
  4. Step 4: Simplify right side
    399,187.04x = 131,083,122,722.88
  5. Step 5: Solve for x
    x = 131,083,122,722.88/399,187.04
  6. Step 6: Final answer
    x = 328,375.20

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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.