Home / 437,514.82-656,309.28-121,972.03

Finding the Fourth Proportional to 437,514.82, 656,309.28 and 121,972.03

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Solution

The fourth proportional to 437,514.82, 656,309.28 and 121,972.03 is: 182,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,514.82 : 656,309.28 = 121,972.03 : x
  2. Step 2: Convert to fraction form
    437,514.82/656,309.28 = 121,972.03/x
  3. Step 3: Cross multiply
    437,514.82x = 656,309.28 × 121,972.03
  4. Step 4: Simplify right side
    437,514.82x = 80,051,371,907.89
  5. Step 5: Solve for x
    x = 80,051,371,907.89/437,514.82
  6. Step 6: Final answer
    x = 182,968.37

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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.