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Finding the Fourth Proportional to 351,713.54, 485,353.38 and 200,810.54

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Solution

The fourth proportional to 351,713.54, 485,353.38 and 200,810.54 is: 277,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,713.54 : 485,353.38 = 200,810.54 : x
  2. Step 2: Convert to fraction form
    351,713.54/485,353.38 = 200,810.54/x
  3. Step 3: Cross multiply
    351,713.54x = 485,353.38 × 200,810.54
  4. Step 4: Simplify right side
    351,713.54x = 97,464,074,328.63
  5. Step 5: Solve for x
    x = 97,464,074,328.63/351,713.54
  6. Step 6: Final answer
    x = 277,112.09

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1.5x scale

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.