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Finding the Fourth Proportional to 341,581.35, 512,684.53 and 173,217.89

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Solution

The fourth proportional to 341,581.35, 512,684.53 and 173,217.89 is: 259,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,581.35 : 512,684.53 = 173,217.89 : x
  2. Step 2: Convert to fraction form
    341,581.35/512,684.53 = 173,217.89/x
  3. Step 3: Cross multiply
    341,581.35x = 512,684.53 × 173,217.89
  4. Step 4: Simplify right side
    341,581.35x = 88,806,132,522.24
  5. Step 5: Solve for x
    x = 88,806,132,522.24/341,581.35
  6. Step 6: Final answer
    x = 259,985.31

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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.