Home / 397,714.32-548,207.19-268,611.30

Finding the Fourth Proportional to 397,714.32, 548,207.19 and 268,611.30

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Solution

The fourth proportional to 397,714.32, 548,207.19 and 268,611.30 is: 370,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,714.32 : 548,207.19 = 268,611.30 : x
  2. Step 2: Convert to fraction form
    397,714.32/548,207.19 = 268,611.30/x
  3. Step 3: Cross multiply
    397,714.32x = 548,207.19 × 268,611.30
  4. Step 4: Simplify right side
    397,714.32x = 147,254,645,975.25
  5. Step 5: Solve for x
    x = 147,254,645,975.25/397,714.32
  6. Step 6: Final answer
    x = 370,252.31

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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.