Home / 379,687.24-570,416.55-222,026.50

Finding the Fourth Proportional to 379,687.24, 570,416.55 and 222,026.50

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Solution

The fourth proportional to 379,687.24, 570,416.55 and 222,026.50 is: 333,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,687.24 : 570,416.55 = 222,026.50 : x
  2. Step 2: Convert to fraction form
    379,687.24/570,416.55 = 222,026.50/x
  3. Step 3: Cross multiply
    379,687.24x = 570,416.55 × 222,026.50
  4. Step 4: Simplify right side
    379,687.24x = 126,647,590,138.58
  5. Step 5: Solve for x
    x = 126,647,590,138.58/379,687.24
  6. Step 6: Final answer
    x = 333,557.67

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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.