Home / 216,939.96-325,639.98-192,141

Finding the Fourth Proportional to 216,939.96, 325,639.98 and 192,141

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Solution

The fourth proportional to 216,939.96, 325,639.98 and 192,141 is: 288,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,939.96 : 325,639.98 = 192,141 : x
  2. Step 2: Convert to fraction form
    216,939.96/325,639.98 = 192,141/x
  3. Step 3: Cross multiply
    216,939.96x = 325,639.98 × 192,141
  4. Step 4: Simplify right side
    216,939.96x = 62,568,791,397.18
  5. Step 5: Solve for x
    x = 62,568,791,397.18/216,939.96
  6. Step 6: Final answer
    x = 288,415.24

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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.