Home / 371,247.03-512,317.85-201,481.16

Finding the Fourth Proportional to 371,247.03, 512,317.85 and 201,481.16

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Solution

The fourth proportional to 371,247.03, 512,317.85 and 201,481.16 is: 278,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,247.03 : 512,317.85 = 201,481.16 : x
  2. Step 2: Convert to fraction form
    371,247.03/512,317.85 = 201,481.16/x
  3. Step 3: Cross multiply
    371,247.03x = 512,317.85 × 201,481.16
  4. Step 4: Simplify right side
    371,247.03x = 103,222,391,137.71
  5. Step 5: Solve for x
    x = 103,222,391,137.71/371,247.03
  6. Step 6: Final answer
    x = 278,042.34

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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.