Home / 361,450.12-498,821.14-200,301.80

Finding the Fourth Proportional to 361,450.12, 498,821.14 and 200,301.80

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Solution

The fourth proportional to 361,450.12, 498,821.14 and 200,301.80 is: 276,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,450.12 : 498,821.14 = 200,301.80 : x
  2. Step 2: Convert to fraction form
    361,450.12/498,821.14 = 200,301.80/x
  3. Step 3: Cross multiply
    361,450.12x = 498,821.14 × 200,301.80
  4. Step 4: Simplify right side
    361,450.12x = 99,914,772,220.05
  5. Step 5: Solve for x
    x = 99,914,772,220.05/361,450.12
  6. Step 6: Final answer
    x = 276,427.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.