Home / 216,972.95-325,456.38-211,612.37

Finding the Fourth Proportional to 216,972.95, 325,456.38 and 211,612.37

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Solution

The fourth proportional to 216,972.95, 325,456.38 and 211,612.37 is: 317,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,972.95 : 325,456.38 = 211,612.37 : x
  2. Step 2: Convert to fraction form
    216,972.95/325,456.38 = 211,612.37/x
  3. Step 3: Cross multiply
    216,972.95x = 325,456.38 × 211,612.37
  4. Step 4: Simplify right side
    216,972.95x = 68,870,594,276.14
  5. Step 5: Solve for x
    x = 68,870,594,276.14/216,972.95
  6. Step 6: Final answer
    x = 317,415.59

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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.