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Finding the Fourth Proportional to 362,160.48, 543,058.47 and 125,439.60

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Solution

The fourth proportional to 362,160.48, 543,058.47 and 125,439.60 is: 188,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,160.48 : 543,058.47 = 125,439.60 : x
  2. Step 2: Convert to fraction form
    362,160.48/543,058.47 = 125,439.60/x
  3. Step 3: Cross multiply
    362,160.48x = 543,058.47 × 125,439.60
  4. Step 4: Simplify right side
    362,160.48x = 68,121,037,253.41
  5. Step 5: Solve for x
    x = 68,121,037,253.41/362,160.48
  6. Step 6: Final answer
    x = 188,096.28

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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.