Home / 301,178.12-450,879.52-263,811.20

Finding the Fourth Proportional to 301,178.12, 450,879.52 and 263,811.20

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Solution

The fourth proportional to 301,178.12, 450,879.52 and 263,811.20 is: 394,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,178.12 : 450,879.52 = 263,811.20 : x
  2. Step 2: Convert to fraction form
    301,178.12/450,879.52 = 263,811.20/x
  3. Step 3: Cross multiply
    301,178.12x = 450,879.52 × 263,811.20
  4. Step 4: Simplify right side
    301,178.12x = 118,947,067,226.62
  5. Step 5: Solve for x
    x = 118,947,067,226.62/301,178.12
  6. Step 6: Final answer
    x = 394,939.27

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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.