Home / 331,543.80-497,315.67-121,181.73

Finding the Fourth Proportional to 331,543.80, 497,315.67 and 121,181.73

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Solution

The fourth proportional to 331,543.80, 497,315.67 and 121,181.73 is: 181,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,543.80 : 497,315.67 = 121,181.73 : x
  2. Step 2: Convert to fraction form
    331,543.80/497,315.67 = 121,181.73/x
  3. Step 3: Cross multiply
    331,543.80x = 497,315.67 × 121,181.73
  4. Step 4: Simplify right side
    331,543.80x = 60,265,573,246.71
  5. Step 5: Solve for x
    x = 60,265,573,246.71/331,543.80
  6. Step 6: Final answer
    x = 181,772.58

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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.