Home / 393,221.22-588,563.18-203,420.23

Finding the Fourth Proportional to 393,221.22, 588,563.18 and 203,420.23

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Solution

The fourth proportional to 393,221.22, 588,563.18 and 203,420.23 is: 304,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,221.22 : 588,563.18 = 203,420.23 : x
  2. Step 2: Convert to fraction form
    393,221.22/588,563.18 = 203,420.23/x
  3. Step 3: Cross multiply
    393,221.22x = 588,563.18 × 203,420.23
  4. Step 4: Simplify right side
    393,221.22x = 119,725,655,719.45
  5. Step 5: Solve for x
    x = 119,725,655,719.45/393,221.22
  6. Step 6: Final answer
    x = 304,474.05

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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.