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Finding the Fourth Proportional to 570,243.48, 855,660.06 and 250,619.60

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Solution

The fourth proportional to 570,243.48, 855,660.06 and 250,619.60 is: 376,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,243.48 : 855,660.06 = 250,619.60 : x
  2. Step 2: Convert to fraction form
    570,243.48/855,660.06 = 250,619.60/x
  3. Step 3: Cross multiply
    570,243.48x = 855,660.06 × 250,619.60
  4. Step 4: Simplify right side
    570,243.48x = 214,445,177,694.88
  5. Step 5: Solve for x
    x = 214,445,177,694.88/570,243.48
  6. Step 6: Final answer
    x = 376,058.97

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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.