Home / 354,087.40-488,634.29-192,943.84

Finding the Fourth Proportional to 354,087.40, 488,634.29 and 192,943.84

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Solution

The fourth proportional to 354,087.40, 488,634.29 and 192,943.84 is: 266,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,087.40 : 488,634.29 = 192,943.84 : x
  2. Step 2: Convert to fraction form
    354,087.40/488,634.29 = 192,943.84/x
  3. Step 3: Cross multiply
    354,087.40x = 488,634.29 × 192,943.84
  4. Step 4: Simplify right side
    354,087.40x = 94,278,976,268.27
  5. Step 5: Solve for x
    x = 94,278,976,268.27/354,087.40
  6. Step 6: Final answer
    x = 266,259.05

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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.