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Finding the Fourth Proportional to 270,307.90, 373,009.83 and 149,442.13

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Solution

The fourth proportional to 270,307.90, 373,009.83 and 149,442.13 is: 206,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,307.90 : 373,009.83 = 149,442.13 : x
  2. Step 2: Convert to fraction form
    270,307.90/373,009.83 = 149,442.13/x
  3. Step 3: Cross multiply
    270,307.90x = 373,009.83 × 149,442.13
  4. Step 4: Simplify right side
    270,307.90x = 55,743,383,506.14
  5. Step 5: Solve for x
    x = 55,743,383,506.14/270,307.90
  6. Step 6: Final answer
    x = 206,221.81

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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.