Home / 353,739.23-488,135.50-200,780.53

Finding the Fourth Proportional to 353,739.23, 488,135.50 and 200,780.53

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Solution

The fourth proportional to 353,739.23, 488,135.50 and 200,780.53 is: 277,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,739.23 : 488,135.50 = 200,780.53 : x
  2. Step 2: Convert to fraction form
    353,739.23/488,135.50 = 200,780.53/x
  3. Step 3: Cross multiply
    353,739.23x = 488,135.50 × 200,780.53
  4. Step 4: Simplify right side
    353,739.23x = 98,008,104,052.41
  5. Step 5: Solve for x
    x = 98,008,104,052.41/353,739.23
  6. Step 6: Final answer
    x = 277,063.15

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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.