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Finding the Fourth Proportional to 185,442.40, 278,147.40 and 60,783.40

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Solution

The fourth proportional to 185,442.40, 278,147.40 and 60,783.40 is: 91,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,442.40 : 278,147.40 = 60,783.40 : x
  2. Step 2: Convert to fraction form
    185,442.40/278,147.40 = 60,783.40/x
  3. Step 3: Cross multiply
    185,442.40x = 278,147.40 × 60,783.40
  4. Step 4: Simplify right side
    185,442.40x = 16,906,744,673.16
  5. Step 5: Solve for x
    x = 16,906,744,673.16/185,442.40
  6. Step 6: Final answer
    x = 91,169.79

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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.