Home / 300,785.58-451,206.20-98,382.83

Finding the Fourth Proportional to 300,785.58, 451,206.20 and 98,382.83

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Solution

The fourth proportional to 300,785.58, 451,206.20 and 98,382.83 is: 147,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,785.58 : 451,206.20 = 98,382.83 : x
  2. Step 2: Convert to fraction form
    300,785.58/451,206.20 = 98,382.83/x
  3. Step 3: Cross multiply
    300,785.58x = 451,206.20 × 98,382.83
  4. Step 4: Simplify right side
    300,785.58x = 44,390,941,987.49
  5. Step 5: Solve for x
    x = 44,390,941,987.49/300,785.58
  6. Step 6: Final answer
    x = 147,583.35

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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.