Home / 336,520.85-504,876.69-136,984.46

Finding the Fourth Proportional to 336,520.85, 504,876.69 and 136,984.46

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Solution

The fourth proportional to 336,520.85, 504,876.69 and 136,984.46 is: 205,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,520.85 : 504,876.69 = 136,984.46 : x
  2. Step 2: Convert to fraction form
    336,520.85/504,876.69 = 136,984.46/x
  3. Step 3: Cross multiply
    336,520.85x = 504,876.69 × 136,984.46
  4. Step 4: Simplify right side
    336,520.85x = 69,160,258,221.85
  5. Step 5: Solve for x
    x = 69,160,258,221.85/336,520.85
  6. Step 6: Final answer
    x = 205,515.53

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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.