Home / 354,078.20-488,621.77-192,934.58

Finding the Fourth Proportional to 354,078.20, 488,621.77 and 192,934.58

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Solution

The fourth proportional to 354,078.20, 488,621.77 and 192,934.58 is: 266,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,078.20 : 488,621.77 = 192,934.58 : x
  2. Step 2: Convert to fraction form
    354,078.20/488,621.77 = 192,934.58/x
  3. Step 3: Cross multiply
    354,078.20x = 488,621.77 × 192,934.58
  4. Step 4: Simplify right side
    354,078.20x = 94,272,033,048.36
  5. Step 5: Solve for x
    x = 94,272,033,048.36/354,078.20
  6. Step 6: Final answer
    x = 266,246.36

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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.