Home / 217,318.95-326,072.12-117,549.36

Finding the Fourth Proportional to 217,318.95, 326,072.12 and 117,549.36

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Solution

The fourth proportional to 217,318.95, 326,072.12 and 117,549.36 is: 176,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,318.95 : 326,072.12 = 117,549.36 : x
  2. Step 2: Convert to fraction form
    217,318.95/326,072.12 = 117,549.36/x
  3. Step 3: Cross multiply
    217,318.95x = 326,072.12 × 117,549.36
  4. Step 4: Simplify right side
    217,318.95x = 38,329,568,432.10
  5. Step 5: Solve for x
    x = 38,329,568,432.10/217,318.95
  6. Step 6: Final answer
    x = 176,374.72

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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.