Home / 380,787.96-571,117.41-178,405.14

Finding the Fourth Proportional to 380,787.96, 571,117.41 and 178,405.14

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Solution

The fourth proportional to 380,787.96, 571,117.41 and 178,405.14 is: 267,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,787.96 : 571,117.41 = 178,405.14 : x
  2. Step 2: Convert to fraction form
    380,787.96/571,117.41 = 178,405.14/x
  3. Step 3: Cross multiply
    380,787.96x = 571,117.41 × 178,405.14
  4. Step 4: Simplify right side
    380,787.96x = 101,890,281,487.49
  5. Step 5: Solve for x
    x = 101,890,281,487.49/380,787.96
  6. Step 6: Final answer
    x = 267,577.48

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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.