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Finding the Fourth Proportional to 65,341.26, 98,000.15 and 17,310.20

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Solution

The fourth proportional to 65,341.26, 98,000.15 and 17,310.20 is: 25,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,341.26 : 98,000.15 = 17,310.20 : x
  2. Step 2: Convert to fraction form
    65,341.26/98,000.15 = 17,310.20/x
  3. Step 3: Cross multiply
    65,341.26x = 98,000.15 × 17,310.20
  4. Step 4: Simplify right side
    65,341.26x = 1,696,401,619.98
  5. Step 5: Solve for x
    x = 1,696,401,619.98/65,341.26
  6. Step 6: Final answer
    x = 25,962.18

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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.