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Finding the Fourth Proportional to 370,409.27, 511,167.24 and 200,643.39

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Solution

The fourth proportional to 370,409.27, 511,167.24 and 200,643.39 is: 276,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,409.27 : 511,167.24 = 200,643.39 : x
  2. Step 2: Convert to fraction form
    370,409.27/511,167.24 = 200,643.39/x
  3. Step 3: Cross multiply
    370,409.27x = 511,167.24 × 200,643.39
  4. Step 4: Simplify right side
    370,409.27x = 102,562,327,890.54
  5. Step 5: Solve for x
    x = 102,562,327,890.54/370,409.27
  6. Step 6: Final answer
    x = 276,889.21

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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.