Home / 300,741.24-414,076.14-255,329.40

Finding the Fourth Proportional to 300,741.24, 414,076.14 and 255,329.40

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Solution

The fourth proportional to 300,741.24, 414,076.14 and 255,329.40 is: 351,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,741.24 : 414,076.14 = 255,329.40 : x
  2. Step 2: Convert to fraction form
    300,741.24/414,076.14 = 255,329.40/x
  3. Step 3: Cross multiply
    300,741.24x = 414,076.14 × 255,329.40
  4. Step 4: Simplify right side
    300,741.24x = 105,725,812,380.52
  5. Step 5: Solve for x
    x = 105,725,812,380.52/300,741.24
  6. Step 6: Final answer
    x = 351,550.76

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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.