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Finding the Fourth Proportional to 630,308.70, 945,318.87 and 181,026

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Solution

The fourth proportional to 630,308.70, 945,318.87 and 181,026 is: 271,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,308.70 : 945,318.87 = 181,026 : x
  2. Step 2: Convert to fraction form
    630,308.70/945,318.87 = 181,026/x
  3. Step 3: Cross multiply
    630,308.70x = 945,318.87 × 181,026
  4. Step 4: Simplify right side
    630,308.70x = 171,127,293,760.62
  5. Step 5: Solve for x
    x = 171,127,293,760.62/630,308.70
  6. Step 6: Final answer
    x = 271,497.59

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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.