Home / 217,774.28-326,707.59-77,532.50

Finding the Fourth Proportional to 217,774.28, 326,707.59 and 77,532.50

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Solution

The fourth proportional to 217,774.28, 326,707.59 and 77,532.50 is: 116,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,774.28 : 326,707.59 = 77,532.50 : x
  2. Step 2: Convert to fraction form
    217,774.28/326,707.59 = 77,532.50/x
  3. Step 3: Cross multiply
    217,774.28x = 326,707.59 × 77,532.50
  4. Step 4: Simplify right side
    217,774.28x = 25,330,456,221.68
  5. Step 5: Solve for x
    x = 25,330,456,221.68/217,774.28
  6. Step 6: Final answer
    x = 116,315.19

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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.