Home / 217,928.05-326,283.05-117,729.27

Finding the Fourth Proportional to 217,928.05, 326,283.05 and 117,729.27

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Solution

The fourth proportional to 217,928.05, 326,283.05 and 117,729.27 is: 176,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,928.05 : 326,283.05 = 117,729.27 : x
  2. Step 2: Convert to fraction form
    217,928.05/326,283.05 = 117,729.27/x
  3. Step 3: Cross multiply
    217,928.05x = 326,283.05 × 117,729.27
  4. Step 4: Simplify right side
    217,928.05x = 38,413,065,289.87
  5. Step 5: Solve for x
    x = 38,413,065,289.87/217,928.05
  6. Step 6: Final answer
    x = 176,264.90

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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.