Home / 299,986.14-413,985.30-203,219.60

Finding the Fourth Proportional to 299,986.14, 413,985.30 and 203,219.60

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Solution

The fourth proportional to 299,986.14, 413,985.30 and 203,219.60 is: 280,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,986.14 : 413,985.30 = 203,219.60 : x
  2. Step 2: Convert to fraction form
    299,986.14/413,985.30 = 203,219.60/x
  3. Step 3: Cross multiply
    299,986.14x = 413,985.30 × 203,219.60
  4. Step 4: Simplify right side
    299,986.14x = 84,129,925,001.95
  5. Step 5: Solve for x
    x = 84,129,925,001.95/299,986.14
  6. Step 6: Final answer
    x = 280,446.04

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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.