Home / 311,024.60-428,614.64-226,007

Finding the Fourth Proportional to 311,024.60, 428,614.64 and 226,007

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Solution

The fourth proportional to 311,024.60, 428,614.64 and 226,007 is: 311,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,024.60 : 428,614.64 = 226,007 : x
  2. Step 2: Convert to fraction form
    311,024.60/428,614.64 = 226,007/x
  3. Step 3: Cross multiply
    311,024.60x = 428,614.64 × 226,007
  4. Step 4: Simplify right side
    311,024.60x = 96,869,908,942.48
  5. Step 5: Solve for x
    x = 96,869,908,942.48/311,024.60
  6. Step 6: Final answer
    x = 311,454.17

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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.