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Finding the Fourth Proportional to 461,727.30, 693,174.15 and 248,664.90

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Solution

The fourth proportional to 461,727.30, 693,174.15 and 248,664.90 is: 373,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,727.30 : 693,174.15 = 248,664.90 : x
  2. Step 2: Convert to fraction form
    461,727.30/693,174.15 = 248,664.90/x
  3. Step 3: Cross multiply
    461,727.30x = 693,174.15 × 248,664.90
  4. Step 4: Simplify right side
    461,727.30x = 172,368,080,692.34
  5. Step 5: Solve for x
    x = 172,368,080,692.34/461,727.30
  6. Step 6: Final answer
    x = 373,311.43

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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.