Home / 351,537.12-485,129.52-200,648.16

Finding the Fourth Proportional to 351,537.12, 485,129.52 and 200,648.16

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Solution

The fourth proportional to 351,537.12, 485,129.52 and 200,648.16 is: 276,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,537.12 : 485,129.52 = 200,648.16 : x
  2. Step 2: Convert to fraction form
    351,537.12/485,129.52 = 200,648.16/x
  3. Step 3: Cross multiply
    351,537.12x = 485,129.52 × 200,648.16
  4. Step 4: Simplify right side
    351,537.12x = 97,340,345,549.68
  5. Step 5: Solve for x
    x = 97,340,345,549.68/351,537.12
  6. Step 6: Final answer
    x = 276,899.20

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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.