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Finding the Fourth Proportional to 180,915.11, 250,806.33 and 171,316.95

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Solution

The fourth proportional to 180,915.11, 250,806.33 and 171,316.95 is: 237,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,915.11 : 250,806.33 = 171,316.95 : x
  2. Step 2: Convert to fraction form
    180,915.11/250,806.33 = 171,316.95/x
  3. Step 3: Cross multiply
    180,915.11x = 250,806.33 × 171,316.95
  4. Step 4: Simplify right side
    180,915.11x = 42,967,375,496.29
  5. Step 5: Solve for x
    x = 42,967,375,496.29/180,915.11
  6. Step 6: Final answer
    x = 237,500.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.