Home / 244,278.40-366,417.60-220,172.80

Finding the Fourth Proportional to 244,278.40, 366,417.60 and 220,172.80

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Solution

The fourth proportional to 244,278.40, 366,417.60 and 220,172.80 is: 330,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,278.40 : 366,417.60 = 220,172.80 : x
  2. Step 2: Convert to fraction form
    244,278.40/366,417.60 = 220,172.80/x
  3. Step 3: Cross multiply
    244,278.40x = 366,417.60 × 220,172.80
  4. Step 4: Simplify right side
    244,278.40x = 80,675,188,961.28
  5. Step 5: Solve for x
    x = 80,675,188,961.28/244,278.40
  6. Step 6: Final answer
    x = 330,259.20

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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.