Home / 217,231.45-325,422.95-103,217.00

Finding the Fourth Proportional to 217,231.45, 325,422.95 and 103,217.00

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Solution

The fourth proportional to 217,231.45, 325,422.95 and 103,217.00 is: 154,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,231.45 : 325,422.95 = 103,217.00 : x
  2. Step 2: Convert to fraction form
    217,231.45/325,422.95 = 103,217.00/x
  3. Step 3: Cross multiply
    217,231.45x = 325,422.95 × 103,217.00
  4. Step 4: Simplify right side
    217,231.45x = 33,589,178,486.95
  5. Step 5: Solve for x
    x = 33,589,178,486.95/217,231.45
  6. Step 6: Final answer
    x = 154,623.92

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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.