Home / 216,894.18-325,278.69-74,733.66

Finding the Fourth Proportional to 216,894.18, 325,278.69 and 74,733.66

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Solution

The fourth proportional to 216,894.18, 325,278.69 and 74,733.66 is: 112,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,894.18 : 325,278.69 = 74,733.66 : x
  2. Step 2: Convert to fraction form
    216,894.18/325,278.69 = 74,733.66/x
  3. Step 3: Cross multiply
    216,894.18x = 325,278.69 × 74,733.66
  4. Step 4: Simplify right side
    216,894.18x = 24,309,267,023.71
  5. Step 5: Solve for x
    x = 24,309,267,023.71/216,894.18
  6. Step 6: Final answer
    x = 112,078.93

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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.