Home / 316,972.28-436,640.50-271,502.12

Finding the Fourth Proportional to 316,972.28, 436,640.50 and 271,502.12

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Solution

The fourth proportional to 316,972.28, 436,640.50 and 271,502.12 is: 374,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,972.28 : 436,640.50 = 271,502.12 : x
  2. Step 2: Convert to fraction form
    316,972.28/436,640.50 = 271,502.12/x
  3. Step 3: Cross multiply
    316,972.28x = 436,640.50 × 271,502.12
  4. Step 4: Simplify right side
    316,972.28x = 118,548,821,427.86
  5. Step 5: Solve for x
    x = 118,548,821,427.86/316,972.28
  6. Step 6: Final answer
    x = 374,003.75

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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.