Home / 281,942.30-422,808.05-113,405.67

Finding the Fourth Proportional to 281,942.30, 422,808.05 and 113,405.67

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Solution

The fourth proportional to 281,942.30, 422,808.05 and 113,405.67 is: 170,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,942.30 : 422,808.05 = 113,405.67 : x
  2. Step 2: Convert to fraction form
    281,942.30/422,808.05 = 113,405.67/x
  3. Step 3: Cross multiply
    281,942.30x = 422,808.05 × 113,405.67
  4. Step 4: Simplify right side
    281,942.30x = 47,948,830,475.16
  5. Step 5: Solve for x
    x = 47,948,830,475.16/281,942.30
  6. Step 6: Final answer
    x = 170,066.11

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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.