Home / 214,919.02-322,433.20-126,247.50

Finding the Fourth Proportional to 214,919.02, 322,433.20 and 126,247.50

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Solution

The fourth proportional to 214,919.02, 322,433.20 and 126,247.50 is: 189,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,919.02 : 322,433.20 = 126,247.50 : x
  2. Step 2: Convert to fraction form
    214,919.02/322,433.20 = 126,247.50/x
  3. Step 3: Cross multiply
    214,919.02x = 322,433.20 × 126,247.50
  4. Step 4: Simplify right side
    214,919.02x = 40,706,385,417
  5. Step 5: Solve for x
    x = 40,706,385,417/214,919.02
  6. Step 6: Final answer
    x = 189,403.36

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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.