Home / 220,230.30-331,036.65-216,083.10

Finding the Fourth Proportional to 220,230.30, 331,036.65 and 216,083.10

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Solution

The fourth proportional to 220,230.30, 331,036.65 and 216,083.10 is: 324,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,230.30 : 331,036.65 = 216,083.10 : x
  2. Step 2: Convert to fraction form
    220,230.30/331,036.65 = 216,083.10/x
  3. Step 3: Cross multiply
    220,230.30x = 331,036.65 × 216,083.10
  4. Step 4: Simplify right side
    220,230.30x = 71,531,425,545.62
  5. Step 5: Solve for x
    x = 71,531,425,545.62/220,230.30
  6. Step 6: Final answer
    x = 324,802.83

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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.