Home / 248,865.30-374,219.55-208,314.90

Finding the Fourth Proportional to 248,865.30, 374,219.55 and 208,314.90

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Solution

The fourth proportional to 248,865.30, 374,219.55 and 208,314.90 is: 313,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,865.30 : 374,219.55 = 208,314.90 : x
  2. Step 2: Convert to fraction form
    248,865.30/374,219.55 = 208,314.90/x
  3. Step 3: Cross multiply
    248,865.30x = 374,219.55 × 208,314.90
  4. Step 4: Simplify right side
    248,865.30x = 77,955,508,136.30
  5. Step 5: Solve for x
    x = 77,955,508,136.30/248,865.30
  6. Step 6: Final answer
    x = 313,243.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.