Home / 220,261.60-330,321.12-62,447.68

Finding the Fourth Proportional to 220,261.60, 330,321.12 and 62,447.68

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Solution

The fourth proportional to 220,261.60, 330,321.12 and 62,447.68 is: 93,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,261.60 : 330,321.12 = 62,447.68 : x
  2. Step 2: Convert to fraction form
    220,261.60/330,321.12 = 62,447.68/x
  3. Step 3: Cross multiply
    220,261.60x = 330,321.12 × 62,447.68
  4. Step 4: Simplify right side
    220,261.60x = 20,627,787,599.00
  5. Step 5: Solve for x
    x = 20,627,787,599.00/220,261.60
  6. Step 6: Final answer
    x = 93,651.31

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1.5x scale

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.