Home / 316,371.20-436,592.28-173,131.32

Finding the Fourth Proportional to 316,371.20, 436,592.28 and 173,131.32

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Solution

The fourth proportional to 316,371.20, 436,592.28 and 173,131.32 is: 238,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,371.20 : 436,592.28 = 173,131.32 : x
  2. Step 2: Convert to fraction form
    316,371.20/436,592.28 = 173,131.32/x
  3. Step 3: Cross multiply
    316,371.20x = 436,592.28 × 173,131.32
  4. Step 4: Simplify right side
    316,371.20x = 75,587,797,738.21
  5. Step 5: Solve for x
    x = 75,587,797,738.21/316,371.20
  6. Step 6: Final answer
    x = 238,921.23

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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.