Home / 240,616.92-361,579.66-128,376.44

Finding the Fourth Proportional to 240,616.92, 361,579.66 and 128,376.44

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Solution

The fourth proportional to 240,616.92, 361,579.66 and 128,376.44 is: 192,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,616.92 : 361,579.66 = 128,376.44 : x
  2. Step 2: Convert to fraction form
    240,616.92/361,579.66 = 128,376.44/x
  3. Step 3: Cross multiply
    240,616.92x = 361,579.66 × 128,376.44
  4. Step 4: Simplify right side
    240,616.92x = 46,418,307,398.37
  5. Step 5: Solve for x
    x = 46,418,307,398.37/240,616.92
  6. Step 6: Final answer
    x = 192,913.73

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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.