Home / 219,401.20-329,004.60-101,108.80

Finding the Fourth Proportional to 219,401.20, 329,004.60 and 101,108.80

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Solution

The fourth proportional to 219,401.20, 329,004.60 and 101,108.80 is: 151,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,401.20 : 329,004.60 = 101,108.80 : x
  2. Step 2: Convert to fraction form
    219,401.20/329,004.60 = 101,108.80/x
  3. Step 3: Cross multiply
    219,401.20x = 329,004.60 × 101,108.80
  4. Step 4: Simplify right side
    219,401.20x = 33,265,260,300.48
  5. Step 5: Solve for x
    x = 33,265,260,300.48/219,401.20
  6. Step 6: Final answer
    x = 151,618.41

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1.5x scale

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.