Home / 440,845.35-661,440.83-160,390.95

Finding the Fourth Proportional to 440,845.35, 661,440.83 and 160,390.95

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Solution

The fourth proportional to 440,845.35, 661,440.83 and 160,390.95 is: 240,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,845.35 : 661,440.83 = 160,390.95 : x
  2. Step 2: Convert to fraction form
    440,845.35/661,440.83 = 160,390.95/x
  3. Step 3: Cross multiply
    440,845.35x = 661,440.83 × 160,390.95
  4. Step 4: Simplify right side
    440,845.35x = 106,089,122,290.53
  5. Step 5: Solve for x
    x = 106,089,122,290.53/440,845.35
  6. Step 6: Final answer
    x = 240,649.29

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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.