Home / 234,018.20-351,027.30-209,523.80

Finding the Fourth Proportional to 234,018.20, 351,027.30 and 209,523.80

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Solution

The fourth proportional to 234,018.20, 351,027.30 and 209,523.80 is: 314,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,018.20 : 351,027.30 = 209,523.80 : x
  2. Step 2: Convert to fraction form
    234,018.20/351,027.30 = 209,523.80/x
  3. Step 3: Cross multiply
    234,018.20x = 351,027.30 × 209,523.80
  4. Step 4: Simplify right side
    234,018.20x = 73,548,573,799.74
  5. Step 5: Solve for x
    x = 73,548,573,799.74/234,018.20
  6. Step 6: Final answer
    x = 314,285.70

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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.