Home / 353,924.22-488,426.68-192,784.44

Finding the Fourth Proportional to 353,924.22, 488,426.68 and 192,784.44

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Solution

The fourth proportional to 353,924.22, 488,426.68 and 192,784.44 is: 266,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,924.22 : 488,426.68 = 192,784.44 : x
  2. Step 2: Convert to fraction form
    353,924.22/488,426.68 = 192,784.44/x
  3. Step 3: Cross multiply
    353,924.22x = 488,426.68 × 192,784.44
  4. Step 4: Simplify right side
    353,924.22x = 94,161,063,984.86
  5. Step 5: Solve for x
    x = 94,161,063,984.86/353,924.22
  6. Step 6: Final answer
    x = 266,048.66

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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.