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Finding the Fourth Proportional to 275,592.96, 380,359.92 and 168,225.60

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Solution

The fourth proportional to 275,592.96, 380,359.92 and 168,225.60 is: 232,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,592.96 : 380,359.92 = 168,225.60 : x
  2. Step 2: Convert to fraction form
    275,592.96/380,359.92 = 168,225.60/x
  3. Step 3: Cross multiply
    275,592.96x = 380,359.92 × 168,225.60
  4. Step 4: Simplify right side
    275,592.96x = 63,986,275,757.95
  5. Step 5: Solve for x
    x = 63,986,275,757.95/275,592.96
  6. Step 6: Final answer
    x = 232,176.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.