Home / 280,044.29-420,067.95-69,682.22

Finding the Fourth Proportional to 280,044.29, 420,067.95 and 69,682.22

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Solution

The fourth proportional to 280,044.29, 420,067.95 and 69,682.22 is: 104,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,044.29 : 420,067.95 = 69,682.22 : x
  2. Step 2: Convert to fraction form
    280,044.29/420,067.95 = 69,682.22/x
  3. Step 3: Cross multiply
    280,044.29x = 420,067.95 × 69,682.22
  4. Step 4: Simplify right side
    280,044.29x = 29,271,269,079.32
  5. Step 5: Solve for x
    x = 29,271,269,079.32/280,044.29
  6. Step 6: Final answer
    x = 104,523.71

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1.5x scale

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.