Home / 316,747.26-436,945.50-195,849.90

Finding the Fourth Proportional to 316,747.26, 436,945.50 and 195,849.90

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Solution

The fourth proportional to 316,747.26, 436,945.50 and 195,849.90 is: 270,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,747.26 : 436,945.50 = 195,849.90 : x
  2. Step 2: Convert to fraction form
    316,747.26/436,945.50 = 195,849.90/x
  3. Step 3: Cross multiply
    316,747.26x = 436,945.50 × 195,849.90
  4. Step 4: Simplify right side
    316,747.26x = 85,575,732,480.45
  5. Step 5: Solve for x
    x = 85,575,732,480.45/316,747.26
  6. Step 6: Final answer
    x = 270,170.40

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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.