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Finding the Fourth Proportional to 345,703.60, 519,138.60 and 227,897.20

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Solution

The fourth proportional to 345,703.60, 519,138.60 and 227,897.20 is: 342,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,703.60 : 519,138.60 = 227,897.20 : x
  2. Step 2: Convert to fraction form
    345,703.60/519,138.60 = 227,897.20/x
  3. Step 3: Cross multiply
    345,703.60x = 519,138.60 × 227,897.20
  4. Step 4: Simplify right side
    345,703.60x = 118,310,233,351.92
  5. Step 5: Solve for x
    x = 118,310,233,351.92/345,703.60
  6. Step 6: Final answer
    x = 342,230.26

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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.