Home / 216,541.14-324,848.79-74,379.66

Finding the Fourth Proportional to 216,541.14, 324,848.79 and 74,379.66

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Solution

The fourth proportional to 216,541.14, 324,848.79 and 74,379.66 is: 111,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,541.14 : 324,848.79 = 74,379.66 : x
  2. Step 2: Convert to fraction form
    216,541.14/324,848.79 = 74,379.66/x
  3. Step 3: Cross multiply
    216,541.14x = 324,848.79 × 74,379.66
  4. Step 4: Simplify right side
    216,541.14x = 24,162,142,551.61
  5. Step 5: Solve for x
    x = 24,162,142,551.61/216,541.14
  6. Step 6: Final answer
    x = 111,582.23

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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.