Home / 354,917.07-489,797.13-193,784.37

Finding the Fourth Proportional to 354,917.07, 489,797.13 and 193,784.37

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Solution

The fourth proportional to 354,917.07, 489,797.13 and 193,784.37 is: 267,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,917.07 : 489,797.13 = 193,784.37 : x
  2. Step 2: Convert to fraction form
    354,917.07/489,797.13 = 193,784.37/x
  3. Step 3: Cross multiply
    354,917.07x = 489,797.13 × 193,784.37
  4. Step 4: Simplify right side
    354,917.07x = 94,915,028,264.86
  5. Step 5: Solve for x
    x = 94,915,028,264.86/354,917.07
  6. Step 6: Final answer
    x = 267,428.75

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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.