Home / 216,494.28-324,781.74-76,341.96

Finding the Fourth Proportional to 216,494.28, 324,781.74 and 76,341.96

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Solution

The fourth proportional to 216,494.28, 324,781.74 and 76,341.96 is: 114,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,494.28 : 324,781.74 = 76,341.96 : x
  2. Step 2: Convert to fraction form
    216,494.28/324,781.74 = 76,341.96/x
  3. Step 3: Cross multiply
    216,494.28x = 324,781.74 × 76,341.96
  4. Step 4: Simplify right side
    216,494.28x = 24,794,474,603.81
  5. Step 5: Solve for x
    x = 24,794,474,603.81/216,494.28
  6. Step 6: Final answer
    x = 114,527.16

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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.