Home / 216,026.20-324,039.30-181,811.80

Finding the Fourth Proportional to 216,026.20, 324,039.30 and 181,811.80

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Solution

The fourth proportional to 216,026.20, 324,039.30 and 181,811.80 is: 272,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,026.20 : 324,039.30 = 181,811.80 : x
  2. Step 2: Convert to fraction form
    216,026.20/324,039.30 = 181,811.80/x
  3. Step 3: Cross multiply
    216,026.20x = 324,039.30 × 181,811.80
  4. Step 4: Simplify right side
    216,026.20x = 58,914,168,403.74
  5. Step 5: Solve for x
    x = 58,914,168,403.74/216,026.20
  6. Step 6: Final answer
    x = 272,717.70

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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.