Home / 481,479.98-722,218.20-144,519.17

Finding the Fourth Proportional to 481,479.98, 722,218.20 and 144,519.17

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Solution

The fourth proportional to 481,479.98, 722,218.20 and 144,519.17 is: 216,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,479.98 : 722,218.20 = 144,519.17 : x
  2. Step 2: Convert to fraction form
    481,479.98/722,218.20 = 144,519.17/x
  3. Step 3: Cross multiply
    481,479.98x = 722,218.20 × 144,519.17
  4. Step 4: Simplify right side
    481,479.98x = 104,374,374,822.89
  5. Step 5: Solve for x
    x = 104,374,374,822.89/481,479.98
  6. Step 6: Final answer
    x = 216,778.22

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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.