Home / 627,391.37-941,090.20-154,076.87

Finding the Fourth Proportional to 627,391.37, 941,090.20 and 154,076.87

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Solution

The fourth proportional to 627,391.37, 941,090.20 and 154,076.87 is: 231,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,391.37 : 941,090.20 = 154,076.87 : x
  2. Step 2: Convert to fraction form
    627,391.37/941,090.20 = 154,076.87/x
  3. Step 3: Cross multiply
    627,391.37x = 941,090.20 × 154,076.87
  4. Step 4: Simplify right side
    627,391.37x = 145,000,227,698.22
  5. Step 5: Solve for x
    x = 145,000,227,698.22/627,391.37
  6. Step 6: Final answer
    x = 231,116.07

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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.