Home / 371,799.23-513,081.57-210,685.06

Finding the Fourth Proportional to 371,799.23, 513,081.57 and 210,685.06

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Solution

The fourth proportional to 371,799.23, 513,081.57 and 210,685.06 is: 290,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,799.23 : 513,081.57 = 210,685.06 : x
  2. Step 2: Convert to fraction form
    371,799.23/513,081.57 = 210,685.06/x
  3. Step 3: Cross multiply
    371,799.23x = 513,081.57 × 210,685.06
  4. Step 4: Simplify right side
    371,799.23x = 108,098,622,791.77
  5. Step 5: Solve for x
    x = 108,098,622,791.77/371,799.23
  6. Step 6: Final answer
    x = 290,744.62

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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.