Home / 220,285.60-330,428.66-60,362.88

Finding the Fourth Proportional to 220,285.60, 330,428.66 and 60,362.88

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Solution

The fourth proportional to 220,285.60, 330,428.66 and 60,362.88 is: 90,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,285.60 : 330,428.66 = 60,362.88 : x
  2. Step 2: Convert to fraction form
    220,285.60/330,428.66 = 60,362.88/x
  3. Step 3: Cross multiply
    220,285.60x = 330,428.66 × 60,362.88
  4. Step 4: Simplify right side
    220,285.60x = 19,945,625,552.14
  5. Step 5: Solve for x
    x = 19,945,625,552.14/220,285.60
  6. Step 6: Final answer
    x = 90,544.39

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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.