Home / 353,195.98-487,591.05-272,442.22

Finding the Fourth Proportional to 353,195.98, 487,591.05 and 272,442.22

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Solution

The fourth proportional to 353,195.98, 487,591.05 and 272,442.22 is: 376,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,195.98 : 487,591.05 = 272,442.22 : x
  2. Step 2: Convert to fraction form
    353,195.98/487,591.05 = 272,442.22/x
  3. Step 3: Cross multiply
    353,195.98x = 487,591.05 × 272,442.22
  4. Step 4: Simplify right side
    353,195.98x = 132,840,388,114.13
  5. Step 5: Solve for x
    x = 132,840,388,114.13/353,195.98
  6. Step 6: Final answer
    x = 376,109.57

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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.