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Finding the Fourth Proportional to 251,862.33, 377,793.08 and 172,736.67

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Solution

The fourth proportional to 251,862.33, 377,793.08 and 172,736.67 is: 259,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,862.33 : 377,793.08 = 172,736.67 : x
  2. Step 2: Convert to fraction form
    251,862.33/377,793.08 = 172,736.67/x
  3. Step 3: Cross multiply
    251,862.33x = 377,793.08 × 172,736.67
  4. Step 4: Simplify right side
    251,862.33x = 65,258,718,588.24
  5. Step 5: Solve for x
    x = 65,258,718,588.24/251,862.33
  6. Step 6: Final answer
    x = 259,104.72

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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.