Home / 347,844.60-521,766.90-223,428.60

Finding the Fourth Proportional to 347,844.60, 521,766.90 and 223,428.60

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Solution

The fourth proportional to 347,844.60, 521,766.90 and 223,428.60 is: 335,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,844.60 : 521,766.90 = 223,428.60 : x
  2. Step 2: Convert to fraction form
    347,844.60/521,766.90 = 223,428.60/x
  3. Step 3: Cross multiply
    347,844.60x = 521,766.90 × 223,428.60
  4. Step 4: Simplify right side
    347,844.60x = 116,577,647,993.34
  5. Step 5: Solve for x
    x = 116,577,647,993.34/347,844.60
  6. Step 6: Final answer
    x = 335,142.90

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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.