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Finding the Fourth Proportional to 240,296.00, 331,452.25 and 154,118.48

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Solution

The fourth proportional to 240,296.00, 331,452.25 and 154,118.48 is: 212,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,296.00 : 331,452.25 = 154,118.48 : x
  2. Step 2: Convert to fraction form
    240,296.00/331,452.25 = 154,118.48/x
  3. Step 3: Cross multiply
    240,296.00x = 331,452.25 × 154,118.48
  4. Step 4: Simplify right side
    240,296.00x = 51,082,914,920.02
  5. Step 5: Solve for x
    x = 51,082,914,920.02/240,296.00
  6. Step 6: Final answer
    x = 212,583.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.