Home / 347,540.60-521,748.30-187,743.80

Finding the Fourth Proportional to 347,540.60, 521,748.30 and 187,743.80

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Solution

The fourth proportional to 347,540.60, 521,748.30 and 187,743.80 is: 281,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,540.60 : 521,748.30 = 187,743.80 : x
  2. Step 2: Convert to fraction form
    347,540.60/521,748.30 = 187,743.80/x
  3. Step 3: Cross multiply
    347,540.60x = 521,748.30 × 187,743.80
  4. Step 4: Simplify right side
    347,540.60x = 97,955,008,485.54
  5. Step 5: Solve for x
    x = 97,955,008,485.54/347,540.60
  6. Step 6: Final answer
    x = 281,851.99

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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.