Home / 481,042.42-721,537.52-181,515.76

Finding the Fourth Proportional to 481,042.42, 721,537.52 and 181,515.76

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Solution

The fourth proportional to 481,042.42, 721,537.52 and 181,515.76 is: 272,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,042.42 : 721,537.52 = 181,515.76 : x
  2. Step 2: Convert to fraction form
    481,042.42/721,537.52 = 181,515.76/x
  3. Step 3: Cross multiply
    481,042.42x = 721,537.52 × 181,515.76
  4. Step 4: Simplify right side
    481,042.42x = 130,970,431,311.32
  5. Step 5: Solve for x
    x = 130,970,431,311.32/481,042.42
  6. Step 6: Final answer
    x = 272,263.79

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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.