Home / 291,956.28-402,904.92-171,131.80

Finding the Fourth Proportional to 291,956.28, 402,904.92 and 171,131.80

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Solution

The fourth proportional to 291,956.28, 402,904.92 and 171,131.80 is: 236,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,956.28 : 402,904.92 = 171,131.80 : x
  2. Step 2: Convert to fraction form
    291,956.28/402,904.92 = 171,131.80/x
  3. Step 3: Cross multiply
    291,956.28x = 402,904.92 × 171,131.80
  4. Step 4: Simplify right side
    291,956.28x = 68,949,844,188.46
  5. Step 5: Solve for x
    x = 68,949,844,188.46/291,956.28
  6. Step 6: Final answer
    x = 236,164.96

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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.