Home / 418,269.15-626,965.11-204,742.62

Finding the Fourth Proportional to 418,269.15, 626,965.11 and 204,742.62

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Solution

The fourth proportional to 418,269.15, 626,965.11 and 204,742.62 is: 306,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,269.15 : 626,965.11 = 204,742.62 : x
  2. Step 2: Convert to fraction form
    418,269.15/626,965.11 = 204,742.62/x
  3. Step 3: Cross multiply
    418,269.15x = 626,965.11 × 204,742.62
  4. Step 4: Simplify right side
    418,269.15x = 128,366,479,269.99
  5. Step 5: Solve for x
    x = 128,366,479,269.99/418,269.15
  6. Step 6: Final answer
    x = 306,899.23

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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.