Home / 481,724.16-722,320.80-165,920.64

Finding the Fourth Proportional to 481,724.16, 722,320.80 and 165,920.64

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Solution

The fourth proportional to 481,724.16, 722,320.80 and 165,920.64 is: 248,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,724.16 : 722,320.80 = 165,920.64 : x
  2. Step 2: Convert to fraction form
    481,724.16/722,320.80 = 165,920.64/x
  3. Step 3: Cross multiply
    481,724.16x = 722,320.80 × 165,920.64
  4. Step 4: Simplify right side
    481,724.16x = 119,847,929,421.31
  5. Step 5: Solve for x
    x = 119,847,929,421.31/481,724.16
  6. Step 6: Final answer
    x = 248,789.53

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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.