Home / 340,672.24-470,121.56-189,766

Finding the Fourth Proportional to 340,672.24, 470,121.56 and 189,766

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Solution

The fourth proportional to 340,672.24, 470,121.56 and 189,766 is: 261,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,672.24 : 470,121.56 = 189,766 : x
  2. Step 2: Convert to fraction form
    340,672.24/470,121.56 = 189,766/x
  3. Step 3: Cross multiply
    340,672.24x = 470,121.56 × 189,766
  4. Step 4: Simplify right side
    340,672.24x = 89,213,087,954.96
  5. Step 5: Solve for x
    x = 89,213,087,954.96/340,672.24
  6. Step 6: Final answer
    x = 261,873.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.