Home / 330,022.53-454,595.22-276,287.94

Finding the Fourth Proportional to 330,022.53, 454,595.22 and 276,287.94

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Solution

The fourth proportional to 330,022.53, 454,595.22 and 276,287.94 is: 380,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,022.53 : 454,595.22 = 276,287.94 : x
  2. Step 2: Convert to fraction form
    330,022.53/454,595.22 = 276,287.94/x
  3. Step 3: Cross multiply
    330,022.53x = 454,595.22 × 276,287.94
  4. Step 4: Simplify right side
    330,022.53x = 125,599,176,867.65
  5. Step 5: Solve for x
    x = 125,599,176,867.65/330,022.53
  6. Step 6: Final answer
    x = 380,577.58

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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.