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Finding the Fourth Proportional to 630,853.53, 946,046.53 and 225,982.68

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Solution

The fourth proportional to 630,853.53, 946,046.53 and 225,982.68 is: 338,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,853.53 : 946,046.53 = 225,982.68 : x
  2. Step 2: Convert to fraction form
    630,853.53/946,046.53 = 225,982.68/x
  3. Step 3: Cross multiply
    630,853.53x = 946,046.53 × 225,982.68
  4. Step 4: Simplify right side
    630,853.53x = 213,790,130,254.10
  5. Step 5: Solve for x
    x = 213,790,130,254.10/630,853.53
  6. Step 6: Final answer
    x = 338,890.28

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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.