Home / 216,818.18-324,990.02-111,643.46

Finding the Fourth Proportional to 216,818.18, 324,990.02 and 111,643.46

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Solution

The fourth proportional to 216,818.18, 324,990.02 and 111,643.46 is: 167,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,818.18 : 324,990.02 = 111,643.46 : x
  2. Step 2: Convert to fraction form
    216,818.18/324,990.02 = 111,643.46/x
  3. Step 3: Cross multiply
    216,818.18x = 324,990.02 × 111,643.46
  4. Step 4: Simplify right side
    216,818.18x = 36,283,010,298.27
  5. Step 5: Solve for x
    x = 36,283,010,298.27/216,818.18
  6. Step 6: Final answer
    x = 167,343.03

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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.