Home / 281,942.40-422,815.23-113,419.02

Finding the Fourth Proportional to 281,942.40, 422,815.23 and 113,419.02

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Solution

The fourth proportional to 281,942.40, 422,815.23 and 113,419.02 is: 170,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,942.40 : 422,815.23 = 113,419.02 : x
  2. Step 2: Convert to fraction form
    281,942.40/422,815.23 = 113,419.02/x
  3. Step 3: Cross multiply
    281,942.40x = 422,815.23 × 113,419.02
  4. Step 4: Simplify right side
    281,942.40x = 47,955,289,027.67
  5. Step 5: Solve for x
    x = 47,955,289,027.67/281,942.40
  6. Step 6: Final answer
    x = 170,088.96

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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.