Home / 240,261.20-360,571.32-90,649.04

Finding the Fourth Proportional to 240,261.20, 360,571.32 and 90,649.04

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Solution

The fourth proportional to 240,261.20, 360,571.32 and 90,649.04 is: 136,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,261.20 : 360,571.32 = 90,649.04 : x
  2. Step 2: Convert to fraction form
    240,261.20/360,571.32 = 90,649.04/x
  3. Step 3: Cross multiply
    240,261.20x = 360,571.32 × 90,649.04
  4. Step 4: Simplify right side
    240,261.20x = 32,685,444,009.53
  5. Step 5: Solve for x
    x = 32,685,444,009.53/240,261.20
  6. Step 6: Final answer
    x = 136,041.29

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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.