Home / 325,809.42-449,629.56-189,931.02

Finding the Fourth Proportional to 325,809.42, 449,629.56 and 189,931.02

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Solution

The fourth proportional to 325,809.42, 449,629.56 and 189,931.02 is: 262,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,809.42 : 449,629.56 = 189,931.02 : x
  2. Step 2: Convert to fraction form
    325,809.42/449,629.56 = 189,931.02/x
  3. Step 3: Cross multiply
    325,809.42x = 449,629.56 × 189,931.02
  4. Step 4: Simplify right side
    325,809.42x = 85,398,600,952.95
  5. Step 5: Solve for x
    x = 85,398,600,952.95/325,809.42
  6. Step 6: Final answer
    x = 262,112.13

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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.