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Finding the Fourth Proportional to 238,052.20, 357,078.30 and 238,052.20

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Solution

The fourth proportional to 238,052.20, 357,078.30 and 238,052.20 is: 357,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,052.20 : 357,078.30 = 238,052.20 : x
  2. Step 2: Convert to fraction form
    238,052.20/357,078.30 = 238,052.20/x
  3. Step 3: Cross multiply
    238,052.20x = 357,078.30 × 238,052.20
  4. Step 4: Simplify right side
    238,052.20x = 85,003,274,887.26
  5. Step 5: Solve for x
    x = 85,003,274,887.26/238,052.20
  6. Step 6: Final answer
    x = 357,078.30

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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.