Home / 352,839.40-528,644.70-228,116.20

Finding the Fourth Proportional to 352,839.40, 528,644.70 and 228,116.20

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Solution

The fourth proportional to 352,839.40, 528,644.70 and 228,116.20 is: 341,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,839.40 : 528,644.70 = 228,116.20 : x
  2. Step 2: Convert to fraction form
    352,839.40/528,644.70 = 228,116.20/x
  3. Step 3: Cross multiply
    352,839.40x = 528,644.70 × 228,116.20
  4. Step 4: Simplify right side
    352,839.40x = 120,592,420,114.14
  5. Step 5: Solve for x
    x = 120,592,420,114.14/352,839.40
  6. Step 6: Final answer
    x = 341,777.08

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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.