Home / 331,967.04-497,950.29-121,621.38

Finding the Fourth Proportional to 331,967.04, 497,950.29 and 121,621.38

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Solution

The fourth proportional to 331,967.04, 497,950.29 and 121,621.38 is: 182,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,967.04 : 497,950.29 = 121,621.38 : x
  2. Step 2: Convert to fraction form
    331,967.04/497,950.29 = 121,621.38/x
  3. Step 3: Cross multiply
    331,967.04x = 497,950.29 × 121,621.38
  4. Step 4: Simplify right side
    331,967.04x = 60,561,401,441.20
  5. Step 5: Solve for x
    x = 60,561,401,441.20/331,967.04
  6. Step 6: Final answer
    x = 182,431.97

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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.