Home / 215,824.10-323,736.15-194,828.90

Finding the Fourth Proportional to 215,824.10, 323,736.15 and 194,828.90

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Solution

The fourth proportional to 215,824.10, 323,736.15 and 194,828.90 is: 292,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,824.10 : 323,736.15 = 194,828.90 : x
  2. Step 2: Convert to fraction form
    215,824.10/323,736.15 = 194,828.90/x
  3. Step 3: Cross multiply
    215,824.10x = 323,736.15 × 194,828.90
  4. Step 4: Simplify right side
    215,824.10x = 63,073,157,994.74
  5. Step 5: Solve for x
    x = 63,073,157,994.74/215,824.10
  6. Step 6: Final answer
    x = 292,243.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.