Home / 345,940.20-520,076.70-294,618.60

Finding the Fourth Proportional to 345,940.20, 520,076.70 and 294,618.60

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Solution

The fourth proportional to 345,940.20, 520,076.70 and 294,618.60 is: 442,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,940.20 : 520,076.70 = 294,618.60 : x
  2. Step 2: Convert to fraction form
    345,940.20/520,076.70 = 294,618.60/x
  3. Step 3: Cross multiply
    345,940.20x = 520,076.70 × 294,618.60
  4. Step 4: Simplify right side
    345,940.20x = 153,224,269,246.62
  5. Step 5: Solve for x
    x = 153,224,269,246.62/345,940.20
  6. Step 6: Final answer
    x = 442,921.26

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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.