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Finding the Fourth Proportional to 274,301.64, 378,612.34 and 159,602.45

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Solution

The fourth proportional to 274,301.64, 378,612.34 and 159,602.45 is: 220,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,301.64 : 378,612.34 = 159,602.45 : x
  2. Step 2: Convert to fraction form
    274,301.64/378,612.34 = 159,602.45/x
  3. Step 3: Cross multiply
    274,301.64x = 378,612.34 × 159,602.45
  4. Step 4: Simplify right side
    274,301.64x = 60,427,454,772.17
  5. Step 5: Solve for x
    x = 60,427,454,772.17/274,301.64
  6. Step 6: Final answer
    x = 220,295.64

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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.