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Finding the Fourth Proportional to 226,914, 340,526.52 and 79,170

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Solution

The fourth proportional to 226,914, 340,526.52 and 79,170 is: 118,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,914 : 340,526.52 = 79,170 : x
  2. Step 2: Convert to fraction form
    226,914/340,526.52 = 79,170/x
  3. Step 3: Cross multiply
    226,914x = 340,526.52 × 79,170
  4. Step 4: Simplify right side
    226,914x = 26,959,484,588.40
  5. Step 5: Solve for x
    x = 26,959,484,588.40/226,914
  6. Step 6: Final answer
    x = 118,809.26

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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.