Home / 280,104.28-419,959.59-102,588.22

Finding the Fourth Proportional to 280,104.28, 419,959.59 and 102,588.22

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Solution

The fourth proportional to 280,104.28, 419,959.59 and 102,588.22 is: 153,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,104.28 : 419,959.59 = 102,588.22 : x
  2. Step 2: Convert to fraction form
    280,104.28/419,959.59 = 102,588.22/x
  3. Step 3: Cross multiply
    280,104.28x = 419,959.59 × 102,588.22
  4. Step 4: Simplify right side
    280,104.28x = 43,082,906,950.27
  5. Step 5: Solve for x
    x = 43,082,906,950.27/280,104.28
  6. Step 6: Final answer
    x = 153,810.24

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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.