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Finding the Fourth Proportional to 238,020.36, 357,031.77 and 80,250.18

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Solution

The fourth proportional to 238,020.36, 357,031.77 and 80,250.18 is: 120,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,020.36 : 357,031.77 = 80,250.18 : x
  2. Step 2: Convert to fraction form
    238,020.36/357,031.77 = 80,250.18/x
  3. Step 3: Cross multiply
    238,020.36x = 357,031.77 × 80,250.18
  4. Step 4: Simplify right side
    238,020.36x = 28,651,863,808.22
  5. Step 5: Solve for x
    x = 28,651,863,808.22/238,020.36
  6. Step 6: Final answer
    x = 120,375.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.