Home / 326,143.12-449,886.36-205,092.40

Finding the Fourth Proportional to 326,143.12, 449,886.36 and 205,092.40

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Solution

The fourth proportional to 326,143.12, 449,886.36 and 205,092.40 is: 282,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,143.12 : 449,886.36 = 205,092.40 : x
  2. Step 2: Convert to fraction form
    326,143.12/449,886.36 = 205,092.40/x
  3. Step 3: Cross multiply
    326,143.12x = 449,886.36 × 205,092.40
  4. Step 4: Simplify right side
    326,143.12x = 92,268,273,299.66
  5. Step 5: Solve for x
    x = 92,268,273,299.66/326,143.12
  6. Step 6: Final answer
    x = 282,907.31

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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.