Home / 291,736.32-437,604.48-81,373.92

Finding the Fourth Proportional to 291,736.32, 437,604.48 and 81,373.92

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Solution

The fourth proportional to 291,736.32, 437,604.48 and 81,373.92 is: 122,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,736.32 : 437,604.48 = 81,373.92 : x
  2. Step 2: Convert to fraction form
    291,736.32/437,604.48 = 81,373.92/x
  3. Step 3: Cross multiply
    291,736.32x = 437,604.48 × 81,373.92
  4. Step 4: Simplify right side
    291,736.32x = 35,609,591,947.16
  5. Step 5: Solve for x
    x = 35,609,591,947.16/291,736.32
  6. Step 6: Final answer
    x = 122,060.88

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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.