Home / 226,815.40-340,352.70-86,674.60

Finding the Fourth Proportional to 226,815.40, 340,352.70 and 86,674.60

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Solution

The fourth proportional to 226,815.40, 340,352.70 and 86,674.60 is: 130,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,815.40 : 340,352.70 = 86,674.60 : x
  2. Step 2: Convert to fraction form
    226,815.40/340,352.70 = 86,674.60/x
  3. Step 3: Cross multiply
    226,815.40x = 340,352.70 × 86,674.60
  4. Step 4: Simplify right side
    226,815.40x = 29,499,934,131.42
  5. Step 5: Solve for x
    x = 29,499,934,131.42/226,815.40
  6. Step 6: Final answer
    x = 130,061.42

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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.