Home / 300,787.75-415,087.10-179,934.13

Finding the Fourth Proportional to 300,787.75, 415,087.10 and 179,934.13

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Solution

The fourth proportional to 300,787.75, 415,087.10 and 179,934.13 is: 248,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,787.75 : 415,087.10 = 179,934.13 : x
  2. Step 2: Convert to fraction form
    300,787.75/415,087.10 = 179,934.13/x
  3. Step 3: Cross multiply
    300,787.75x = 415,087.10 × 179,934.13
  4. Step 4: Simplify right side
    300,787.75x = 74,688,336,212.72
  5. Step 5: Solve for x
    x = 74,688,336,212.72/300,787.75
  6. Step 6: Final answer
    x = 248,309.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.