Home / 209,325.29-288,893.25-117,469.89

Finding the Fourth Proportional to 209,325.29, 288,893.25 and 117,469.89

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Solution

The fourth proportional to 209,325.29, 288,893.25 and 117,469.89 is: 162,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,325.29 : 288,893.25 = 117,469.89 : x
  2. Step 2: Convert to fraction form
    209,325.29/288,893.25 = 117,469.89/x
  3. Step 3: Cross multiply
    209,325.29x = 288,893.25 × 117,469.89
  4. Step 4: Simplify right side
    209,325.29x = 33,936,258,299.24
  5. Step 5: Solve for x
    x = 33,936,258,299.24/209,325.29
  6. Step 6: Final answer
    x = 162,122.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.