Home / 226,768.40-340,282.20-86,627.60

Finding the Fourth Proportional to 226,768.40, 340,282.20 and 86,627.60

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Solution

The fourth proportional to 226,768.40, 340,282.20 and 86,627.60 is: 129,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,768.40 : 340,282.20 = 86,627.60 : x
  2. Step 2: Convert to fraction form
    226,768.40/340,282.20 = 86,627.60/x
  3. Step 3: Cross multiply
    226,768.40x = 340,282.20 × 86,627.60
  4. Step 4: Simplify right side
    226,768.40x = 29,477,830,308.72
  5. Step 5: Solve for x
    x = 29,477,830,308.72/226,768.40
  6. Step 6: Final answer
    x = 129,990.91

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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.