Home / 216,268.32-324,472.04-103,956.72

Finding the Fourth Proportional to 216,268.32, 324,472.04 and 103,956.72

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Solution

The fourth proportional to 216,268.32, 324,472.04 and 103,956.72 is: 155,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,268.32 : 324,472.04 = 103,956.72 : x
  2. Step 2: Convert to fraction form
    216,268.32/324,472.04 = 103,956.72/x
  3. Step 3: Cross multiply
    216,268.32x = 324,472.04 × 103,956.72
  4. Step 4: Simplify right side
    216,268.32x = 33,731,049,010.11
  5. Step 5: Solve for x
    x = 33,731,049,010.11/216,268.32
  6. Step 6: Final answer
    x = 155,968.52

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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.