Home / 318,825.20-477,712.87-222,772.16

Finding the Fourth Proportional to 318,825.20, 477,712.87 and 222,772.16

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Solution

The fourth proportional to 318,825.20, 477,712.87 and 222,772.16 is: 333,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,825.20 : 477,712.87 = 222,772.16 : x
  2. Step 2: Convert to fraction form
    318,825.20/477,712.87 = 222,772.16/x
  3. Step 3: Cross multiply
    318,825.20x = 477,712.87 × 222,772.16
  4. Step 4: Simplify right side
    318,825.20x = 106,421,127,909.70
  5. Step 5: Solve for x
    x = 106,421,127,909.70/318,825.20
  6. Step 6: Final answer
    x = 333,791.46

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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.