Home / 216,402.81-324,573.93-74,245.74

Finding the Fourth Proportional to 216,402.81, 324,573.93 and 74,245.74

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Solution

The fourth proportional to 216,402.81, 324,573.93 and 74,245.74 is: 111,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,402.81 : 324,573.93 = 74,245.74 : x
  2. Step 2: Convert to fraction form
    216,402.81/324,573.93 = 74,245.74/x
  3. Step 3: Cross multiply
    216,402.81x = 324,573.93 × 74,245.74
  4. Step 4: Simplify right side
    216,402.81x = 24,098,231,617.56
  5. Step 5: Solve for x
    x = 24,098,231,617.56/216,402.81
  6. Step 6: Final answer
    x = 111,358.22

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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.