Home / 380,788.96-571,118.91-178,406.14

Finding the Fourth Proportional to 380,788.96, 571,118.91 and 178,406.14

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Solution

The fourth proportional to 380,788.96, 571,118.91 and 178,406.14 is: 267,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,788.96 : 571,118.91 = 178,406.14 : x
  2. Step 2: Convert to fraction form
    380,788.96/571,118.91 = 178,406.14/x
  3. Step 3: Cross multiply
    380,788.96x = 571,118.91 × 178,406.14
  4. Step 4: Simplify right side
    380,788.96x = 101,891,120,214.11
  5. Step 5: Solve for x
    x = 101,891,120,214.11/380,788.96
  6. Step 6: Final answer
    x = 267,578.98

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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.