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Finding the Fourth Proportional to 381,995.40, 573,252.30 and 248,550.60

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Solution

The fourth proportional to 381,995.40, 573,252.30 and 248,550.60 is: 372,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,995.40 : 573,252.30 = 248,550.60 : x
  2. Step 2: Convert to fraction form
    381,995.40/573,252.30 = 248,550.60/x
  3. Step 3: Cross multiply
    381,995.40x = 573,252.30 × 248,550.60
  4. Step 4: Simplify right side
    381,995.40x = 142,482,203,116.38
  5. Step 5: Solve for x
    x = 142,482,203,116.38/381,995.40
  6. Step 6: Final answer
    x = 372,994.55

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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.