Home / 392,731.92-541,875.96-231,574.32

Finding the Fourth Proportional to 392,731.92, 541,875.96 and 231,574.32

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Solution

The fourth proportional to 392,731.92, 541,875.96 and 231,574.32 is: 319,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,731.92 : 541,875.96 = 231,574.32 : x
  2. Step 2: Convert to fraction form
    392,731.92/541,875.96 = 231,574.32/x
  3. Step 3: Cross multiply
    392,731.92x = 541,875.96 × 231,574.32
  4. Step 4: Simplify right side
    392,731.92x = 125,484,556,961.35
  5. Step 5: Solve for x
    x = 125,484,556,961.35/392,731.92
  6. Step 6: Final answer
    x = 319,517.08

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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.