Home / 331,593.80-497,427.15-121,277.30

Finding the Fourth Proportional to 331,593.80, 497,427.15 and 121,277.30

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Solution

The fourth proportional to 331,593.80, 497,427.15 and 121,277.30 is: 181,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,593.80 : 497,427.15 = 121,277.30 : x
  2. Step 2: Convert to fraction form
    331,593.80/497,427.15 = 121,277.30/x
  3. Step 3: Cross multiply
    331,593.80x = 497,427.15 × 121,277.30
  4. Step 4: Simplify right side
    331,593.80x = 60,326,621,698.70
  5. Step 5: Solve for x
    x = 60,326,621,698.70/331,593.80
  6. Step 6: Final answer
    x = 181,929.28

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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.