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Finding the Fourth Proportional to 226,526.66, 312,607.97 and 124,558.67

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Solution

The fourth proportional to 226,526.66, 312,607.97 and 124,558.67 is: 171,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,526.66 : 312,607.97 = 124,558.67 : x
  2. Step 2: Convert to fraction form
    226,526.66/312,607.97 = 124,558.67/x
  3. Step 3: Cross multiply
    226,526.66x = 312,607.97 × 124,558.67
  4. Step 4: Simplify right side
    226,526.66x = 38,938,032,974.60
  5. Step 5: Solve for x
    x = 38,938,032,974.60/226,526.66
  6. Step 6: Final answer
    x = 171,891.61

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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.