Home / 381,976.40-573,223.80-248,531.60

Finding the Fourth Proportional to 381,976.40, 573,223.80 and 248,531.60

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Solution

The fourth proportional to 381,976.40, 573,223.80 and 248,531.60 is: 372,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,976.40 : 573,223.80 = 248,531.60 : x
  2. Step 2: Convert to fraction form
    381,976.40/573,223.80 = 248,531.60/x
  3. Step 3: Cross multiply
    381,976.40x = 573,223.80 × 248,531.60
  4. Step 4: Simplify right side
    381,976.40x = 142,464,228,172.08
  5. Step 5: Solve for x
    x = 142,464,228,172.08/381,976.40
  6. Step 6: Final answer
    x = 372,966.05

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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.