Home / 281,624.45-422,437.55-71,262.32

Finding the Fourth Proportional to 281,624.45, 422,437.55 and 71,262.32

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Solution

The fourth proportional to 281,624.45, 422,437.55 and 71,262.32 is: 106,893.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,624.45 : 422,437.55 = 71,262.32 : x
  2. Step 2: Convert to fraction form
    281,624.45/422,437.55 = 71,262.32/x
  3. Step 3: Cross multiply
    281,624.45x = 422,437.55 × 71,262.32
  4. Step 4: Simplify right side
    281,624.45x = 30,103,877,399.62
  5. Step 5: Solve for x
    x = 30,103,877,399.62/281,624.45
  6. Step 6: Final answer
    x = 106,893.69

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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.