Home / 339,914.45-509,868.59-161,881.72

Finding the Fourth Proportional to 339,914.45, 509,868.59 and 161,881.72

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Solution

The fourth proportional to 339,914.45, 509,868.59 and 161,881.72 is: 242,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,914.45 : 509,868.59 = 161,881.72 : x
  2. Step 2: Convert to fraction form
    339,914.45/509,868.59 = 161,881.72/x
  3. Step 3: Cross multiply
    339,914.45x = 509,868.59 × 161,881.72
  4. Step 4: Simplify right side
    339,914.45x = 82,538,402,239.09
  5. Step 5: Solve for x
    x = 82,538,402,239.09/339,914.45
  6. Step 6: Final answer
    x = 242,821.10

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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.