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Finding the Fourth Proportional to 225,884.64, 311,685.36 and 130,373.52

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Solution

The fourth proportional to 225,884.64, 311,685.36 and 130,373.52 is: 179,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,884.64 : 311,685.36 = 130,373.52 : x
  2. Step 2: Convert to fraction form
    225,884.64/311,685.36 = 130,373.52/x
  3. Step 3: Cross multiply
    225,884.64x = 311,685.36 × 130,373.52
  4. Step 4: Simplify right side
    225,884.64x = 40,635,517,515.67
  5. Step 5: Solve for x
    x = 40,635,517,515.67/225,884.64
  6. Step 6: Final answer
    x = 179,895.00

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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.