Home / 269,438.03-371,849.36-154,731.71

Finding the Fourth Proportional to 269,438.03, 371,849.36 and 154,731.71

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Solution

The fourth proportional to 269,438.03, 371,849.36 and 154,731.71 is: 213,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,438.03 : 371,849.36 = 154,731.71 : x
  2. Step 2: Convert to fraction form
    269,438.03/371,849.36 = 154,731.71/x
  3. Step 3: Cross multiply
    269,438.03x = 371,849.36 × 154,731.71
  4. Step 4: Simplify right side
    269,438.03x = 57,536,884,702.30
  5. Step 5: Solve for x
    x = 57,536,884,702.30/269,438.03
  6. Step 6: Final answer
    x = 213,544.04

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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.