Home / 353,976.86-488,483.66-192,828.45

Finding the Fourth Proportional to 353,976.86, 488,483.66 and 192,828.45

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Solution

The fourth proportional to 353,976.86, 488,483.66 and 192,828.45 is: 266,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,976.86 : 488,483.66 = 192,828.45 : x
  2. Step 2: Convert to fraction form
    353,976.86/488,483.66 = 192,828.45/x
  3. Step 3: Cross multiply
    353,976.86x = 488,483.66 × 192,828.45
  4. Step 4: Simplify right side
    353,976.86x = 94,193,544,212.17
  5. Step 5: Solve for x
    x = 94,193,544,212.17/353,976.86
  6. Step 6: Final answer
    x = 266,100.85

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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.