Home / 279,893.24-419,742.66-92,861

Finding the Fourth Proportional to 279,893.24, 419,742.66 and 92,861

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Solution

The fourth proportional to 279,893.24, 419,742.66 and 92,861 is: 139,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,893.24 : 419,742.66 = 92,861 : x
  2. Step 2: Convert to fraction form
    279,893.24/419,742.66 = 92,861/x
  3. Step 3: Cross multiply
    279,893.24x = 419,742.66 × 92,861
  4. Step 4: Simplify right side
    279,893.24x = 38,977,723,150.26
  5. Step 5: Solve for x
    x = 38,977,723,150.26/279,893.24
  6. Step 6: Final answer
    x = 139,259.25

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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.