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Finding the Fourth Proportional to 630,269.26, 945,259.90 and 180,986.56

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Solution

The fourth proportional to 630,269.26, 945,259.90 and 180,986.56 is: 271,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,269.26 : 945,259.90 = 180,986.56 : x
  2. Step 2: Convert to fraction form
    630,269.26/945,259.90 = 180,986.56/x
  3. Step 3: Cross multiply
    630,269.26x = 945,259.90 × 180,986.56
  4. Step 4: Simplify right side
    630,269.26x = 171,079,337,606.94
  5. Step 5: Solve for x
    x = 171,079,337,606.94/630,269.26
  6. Step 6: Final answer
    x = 271,438.49

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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.