Home / 331,489.10-497,233.65-121,277.90

Finding the Fourth Proportional to 331,489.10, 497,233.65 and 121,277.90

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Solution

The fourth proportional to 331,489.10, 497,233.65 and 121,277.90 is: 181,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,489.10 : 497,233.65 = 121,277.90 : x
  2. Step 2: Convert to fraction form
    331,489.10/497,233.65 = 121,277.90/x
  3. Step 3: Cross multiply
    331,489.10x = 497,233.65 × 121,277.90
  4. Step 4: Simplify right side
    331,489.10x = 60,303,452,881.34
  5. Step 5: Solve for x
    x = 60,303,452,881.34/331,489.10
  6. Step 6: Final answer
    x = 181,916.85

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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.