Home / 345,946.14-518,945.94-132,816.51

Finding the Fourth Proportional to 345,946.14, 518,945.94 and 132,816.51

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Solution

The fourth proportional to 345,946.14, 518,945.94 and 132,816.51 is: 199,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,946.14 : 518,945.94 = 132,816.51 : x
  2. Step 2: Convert to fraction form
    345,946.14/518,945.94 = 132,816.51/x
  3. Step 3: Cross multiply
    345,946.14x = 518,945.94 × 132,816.51
  4. Step 4: Simplify right side
    345,946.14x = 68,924,588,629.47
  5. Step 5: Solve for x
    x = 68,924,588,629.47/345,946.14
  6. Step 6: Final answer
    x = 199,235.03

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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.