Home / 254,861.10-382,290.30-65,321.10

Finding the Fourth Proportional to 254,861.10, 382,290.30 and 65,321.10

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Solution

The fourth proportional to 254,861.10, 382,290.30 and 65,321.10 is: 97,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,861.10 : 382,290.30 = 65,321.10 : x
  2. Step 2: Convert to fraction form
    254,861.10/382,290.30 = 65,321.10/x
  3. Step 3: Cross multiply
    254,861.10x = 382,290.30 × 65,321.10
  4. Step 4: Simplify right side
    254,861.10x = 24,971,622,915.33
  5. Step 5: Solve for x
    x = 24,971,622,915.33/254,861.10
  6. Step 6: Final answer
    x = 97,981.30

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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.