Home / 380,736.31-570,979.90-178,269.75

Finding the Fourth Proportional to 380,736.31, 570,979.90 and 178,269.75

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Solution

The fourth proportional to 380,736.31, 570,979.90 and 178,269.75 is: 267,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,736.31 : 570,979.90 = 178,269.75 : x
  2. Step 2: Convert to fraction form
    380,736.31/570,979.90 = 178,269.75/x
  3. Step 3: Cross multiply
    380,736.31x = 570,979.90 × 178,269.75
  4. Step 4: Simplify right side
    380,736.31x = 101,788,440,281.78
  5. Step 5: Solve for x
    x = 101,788,440,281.78/380,736.31
  6. Step 6: Final answer
    x = 267,346.29

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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.