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Finding the Fourth Proportional to 370,034.45, 510,647.54 and 200,268.57

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Solution

The fourth proportional to 370,034.45, 510,647.54 and 200,268.57 is: 276,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,034.45 : 510,647.54 = 200,268.57 : x
  2. Step 2: Convert to fraction form
    370,034.45/510,647.54 = 200,268.57/x
  3. Step 3: Cross multiply
    370,034.45x = 510,647.54 × 200,268.57
  4. Step 4: Simplify right side
    370,034.45x = 102,266,651,608.48
  5. Step 5: Solve for x
    x = 102,266,651,608.48/370,034.45
  6. Step 6: Final answer
    x = 276,370.63

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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.