Home / 217,710.47-326,577.86-67,971.44

Finding the Fourth Proportional to 217,710.47, 326,577.86 and 67,971.44

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Solution

The fourth proportional to 217,710.47, 326,577.86 and 67,971.44 is: 101,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,710.47 : 326,577.86 = 67,971.44 : x
  2. Step 2: Convert to fraction form
    217,710.47/326,577.86 = 67,971.44/x
  3. Step 3: Cross multiply
    217,710.47x = 326,577.86 × 67,971.44
  4. Step 4: Simplify right side
    217,710.47x = 22,197,965,443.57
  5. Step 5: Solve for x
    x = 22,197,965,443.57/217,710.47
  6. Step 6: Final answer
    x = 101,960.95

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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.