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Finding the Fourth Proportional to 630,379.96, 945,576.77 and 181,104.55

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Solution

The fourth proportional to 630,379.96, 945,576.77 and 181,104.55 is: 271,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,379.96 : 945,576.77 = 181,104.55 : x
  2. Step 2: Convert to fraction form
    630,379.96/945,576.77 = 181,104.55/x
  3. Step 3: Cross multiply
    630,379.96x = 945,576.77 × 181,104.55
  4. Step 4: Simplify right side
    630,379.96x = 171,248,255,421.30
  5. Step 5: Solve for x
    x = 171,248,255,421.30/630,379.96
  6. Step 6: Final answer
    x = 271,658.79

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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.