Home / 445,867.36-668,660.46-146,278.12

Finding the Fourth Proportional to 445,867.36, 668,660.46 and 146,278.12

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Solution

The fourth proportional to 445,867.36, 668,660.46 and 146,278.12 is: 219,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,867.36 : 668,660.46 = 146,278.12 : x
  2. Step 2: Convert to fraction form
    445,867.36/668,660.46 = 146,278.12/x
  3. Step 3: Cross multiply
    445,867.36x = 668,660.46 × 146,278.12
  4. Step 4: Simplify right side
    445,867.36x = 97,810,395,007.14
  5. Step 5: Solve for x
    x = 97,810,395,007.14/445,867.36
  6. Step 6: Final answer
    x = 219,371.06

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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.