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Finding the Fourth Proportional to 371,996.33, 513,395.07 and 210,834.08

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Solution

The fourth proportional to 371,996.33, 513,395.07 and 210,834.08 is: 290,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,996.33 : 513,395.07 = 210,834.08 : x
  2. Step 2: Convert to fraction form
    371,996.33/513,395.07 = 210,834.08/x
  3. Step 3: Cross multiply
    371,996.33x = 513,395.07 × 210,834.08
  4. Step 4: Simplify right side
    371,996.33x = 108,241,177,259.99
  5. Step 5: Solve for x
    x = 108,241,177,259.99/371,996.33
  6. Step 6: Final answer
    x = 290,973.78

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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.