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Finding the Fourth Proportional to 261,450.72, 360,802 and 148,273.48

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Solution

The fourth proportional to 261,450.72, 360,802 and 148,273.48 is: 204,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,450.72 : 360,802 = 148,273.48 : x
  2. Step 2: Convert to fraction form
    261,450.72/360,802 = 148,273.48/x
  3. Step 3: Cross multiply
    261,450.72x = 360,802 × 148,273.48
  4. Step 4: Simplify right side
    261,450.72x = 53,497,368,130.96
  5. Step 5: Solve for x
    x = 53,497,368,130.96/261,450.72
  6. Step 6: Final answer
    x = 204,617.41

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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.