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Finding the Fourth Proportional to 65,522.66, 98,301 and 18,779.18

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Solution

The fourth proportional to 65,522.66, 98,301 and 18,779.18 is: 28,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522.66 : 98,301 = 18,779.18 : x
  2. Step 2: Convert to fraction form
    65,522.66/98,301 = 18,779.18/x
  3. Step 3: Cross multiply
    65,522.66x = 98,301 × 18,779.18
  4. Step 4: Simplify right side
    65,522.66x = 1,846,012,173.18
  5. Step 5: Solve for x
    x = 1,846,012,173.18/65,522.66
  6. Step 6: Final answer
    x = 28,173.65

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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.