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Finding the Fourth Proportional to 274,277.02, 378,349.92 and 159,542.74

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Solution

The fourth proportional to 274,277.02, 378,349.92 and 159,542.74 is: 220,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,277.02 : 378,349.92 = 159,542.74 : x
  2. Step 2: Convert to fraction form
    274,277.02/378,349.92 = 159,542.74/x
  3. Step 3: Cross multiply
    274,277.02x = 378,349.92 × 159,542.74
  4. Step 4: Simplify right side
    274,277.02x = 60,362,982,915.58
  5. Step 5: Solve for x
    x = 60,362,982,915.58/274,277.02
  6. Step 6: Final answer
    x = 220,080.35

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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.