Home / 286,005.37-428,839.83-108,524.85

Finding the Fourth Proportional to 286,005.37, 428,839.83 and 108,524.85

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Solution

The fourth proportional to 286,005.37, 428,839.83 and 108,524.85 is: 162,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,005.37 : 428,839.83 = 108,524.85 : x
  2. Step 2: Convert to fraction form
    286,005.37/428,839.83 = 108,524.85/x
  3. Step 3: Cross multiply
    286,005.37x = 428,839.83 × 108,524.85
  4. Step 4: Simplify right side
    286,005.37x = 46,539,779,296.88
  5. Step 5: Solve for x
    x = 46,539,779,296.88/286,005.37
  6. Step 6: Final answer
    x = 162,723.45

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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.