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Finding the Fourth Proportional to 299,441.60, 449,162.40 and 277,790.30

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Solution

The fourth proportional to 299,441.60, 449,162.40 and 277,790.30 is: 416,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,441.60 : 449,162.40 = 277,790.30 : x
  2. Step 2: Convert to fraction form
    299,441.60/449,162.40 = 277,790.30/x
  3. Step 3: Cross multiply
    299,441.60x = 449,162.40 × 277,790.30
  4. Step 4: Simplify right side
    299,441.60x = 124,772,957,844.72
  5. Step 5: Solve for x
    x = 124,772,957,844.72/299,441.60
  6. Step 6: Final answer
    x = 416,685.45

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1.5x scale

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.