Home / 340,968.85-511,434.79-104,311.55

Finding the Fourth Proportional to 340,968.85, 511,434.79 and 104,311.55

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Solution

The fourth proportional to 340,968.85, 511,434.79 and 104,311.55 is: 156,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,968.85 : 511,434.79 = 104,311.55 : x
  2. Step 2: Convert to fraction form
    340,968.85/511,434.79 = 104,311.55/x
  3. Step 3: Cross multiply
    340,968.85x = 511,434.79 × 104,311.55
  4. Step 4: Simplify right side
    340,968.85x = 53,348,555,147.27
  5. Step 5: Solve for x
    x = 53,348,555,147.27/340,968.85
  6. Step 6: Final answer
    x = 156,461.67

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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.