Home / 627,624.48-941,437.20-178,287.36

Finding the Fourth Proportional to 627,624.48, 941,437.20 and 178,287.36

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Solution

The fourth proportional to 627,624.48, 941,437.20 and 178,287.36 is: 267,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,624.48 : 941,437.20 = 178,287.36 : x
  2. Step 2: Convert to fraction form
    627,624.48/941,437.20 = 178,287.36/x
  3. Step 3: Cross multiply
    627,624.48x = 941,437.20 × 178,287.36
  4. Step 4: Simplify right side
    627,624.48x = 167,846,352,993.79
  5. Step 5: Solve for x
    x = 167,846,352,993.79/627,624.48
  6. Step 6: Final answer
    x = 267,431.18

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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.