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Finding the Fourth Proportional to 630,251.70, 945,233.37 and 180,969

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Solution

The fourth proportional to 630,251.70, 945,233.37 and 180,969 is: 271,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,251.70 : 945,233.37 = 180,969 : x
  2. Step 2: Convert to fraction form
    630,251.70/945,233.37 = 180,969/x
  3. Step 3: Cross multiply
    630,251.70x = 945,233.37 × 180,969
  4. Step 4: Simplify right side
    630,251.70x = 171,057,937,735.53
  5. Step 5: Solve for x
    x = 171,057,937,735.53/630,251.70
  6. Step 6: Final answer
    x = 271,412.10

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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.