Home / 311,363.10-429,508.23-204,106.14

Finding the Fourth Proportional to 311,363.10, 429,508.23 and 204,106.14

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Solution

The fourth proportional to 311,363.10, 429,508.23 and 204,106.14 is: 281,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,363.10 : 429,508.23 = 204,106.14 : x
  2. Step 2: Convert to fraction form
    311,363.10/429,508.23 = 204,106.14/x
  3. Step 3: Cross multiply
    311,363.10x = 429,508.23 × 204,106.14
  4. Step 4: Simplify right side
    311,363.10x = 87,665,266,923.53
  5. Step 5: Solve for x
    x = 87,665,266,923.53/311,363.10
  6. Step 6: Final answer
    x = 281,553.17

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1.5x scale

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.