Home / 371,738.81-512,982.83-210,590.57

Finding the Fourth Proportional to 371,738.81, 512,982.83 and 210,590.57

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Solution

The fourth proportional to 371,738.81, 512,982.83 and 210,590.57 is: 290,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,738.81 : 512,982.83 = 210,590.57 : x
  2. Step 2: Convert to fraction form
    371,738.81/512,982.83 = 210,590.57/x
  3. Step 3: Cross multiply
    371,738.81x = 512,982.83 × 210,590.57
  4. Step 4: Simplify right side
    371,738.81x = 108,029,344,531.48
  5. Step 5: Solve for x
    x = 108,029,344,531.48/371,738.81
  6. Step 6: Final answer
    x = 290,605.51

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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.