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Finding the Fourth Proportional to 248,674.53, 373,272.70 and 220,392.52

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Solution

The fourth proportional to 248,674.53, 373,272.70 and 220,392.52 is: 330,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,674.53 : 373,272.70 = 220,392.52 : x
  2. Step 2: Convert to fraction form
    248,674.53/373,272.70 = 220,392.52/x
  3. Step 3: Cross multiply
    248,674.53x = 373,272.70 × 220,392.52
  4. Step 4: Simplify right side
    248,674.53x = 82,266,511,000.20
  5. Step 5: Solve for x
    x = 82,266,511,000.20/248,674.53
  6. Step 6: Final answer
    x = 330,820.01

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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.