Home / 240,802.20-360,944.10-90,984.60

Finding the Fourth Proportional to 240,802.20, 360,944.10 and 90,984.60

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Solution

The fourth proportional to 240,802.20, 360,944.10 and 90,984.60 is: 136,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,802.20 : 360,944.10 = 90,984.60 : x
  2. Step 2: Convert to fraction form
    240,802.20/360,944.10 = 90,984.60/x
  3. Step 3: Cross multiply
    240,802.20x = 360,944.10 × 90,984.60
  4. Step 4: Simplify right side
    240,802.20x = 32,840,354,560.86
  5. Step 5: Solve for x
    x = 32,840,354,560.86/240,802.20
  6. Step 6: Final answer
    x = 136,378.96

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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.