Home / 331,889.40-497,834.10-121,609.35

Finding the Fourth Proportional to 331,889.40, 497,834.10 and 121,609.35

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Solution

The fourth proportional to 331,889.40, 497,834.10 and 121,609.35 is: 182,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,889.40 : 497,834.10 = 121,609.35 : x
  2. Step 2: Convert to fraction form
    331,889.40/497,834.10 = 121,609.35/x
  3. Step 3: Cross multiply
    331,889.40x = 497,834.10 × 121,609.35
  4. Step 4: Simplify right side
    331,889.40x = 60,541,281,308.84
  5. Step 5: Solve for x
    x = 60,541,281,308.84/331,889.40
  6. Step 6: Final answer
    x = 182,414.03

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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.