Home / 331,541.80-497,312.67-121,179.73

Finding the Fourth Proportional to 331,541.80, 497,312.67 and 121,179.73

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Solution

The fourth proportional to 331,541.80, 497,312.67 and 121,179.73 is: 181,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,541.80 : 497,312.67 = 121,179.73 : x
  2. Step 2: Convert to fraction form
    331,541.80/497,312.67 = 121,179.73/x
  3. Step 3: Cross multiply
    331,541.80x = 497,312.67 × 121,179.73
  4. Step 4: Simplify right side
    331,541.80x = 60,264,215,076.18
  5. Step 5: Solve for x
    x = 60,264,215,076.18/331,541.80
  6. Step 6: Final answer
    x = 181,769.58

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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.