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Finding the Fourth Proportional to 351,572.61, 485,257.01 and 200,757.09

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Solution

The fourth proportional to 351,572.61, 485,257.01 and 200,757.09 is: 277,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,572.61 : 485,257.01 = 200,757.09 : x
  2. Step 2: Convert to fraction form
    351,572.61/485,257.01 = 200,757.09/x
  3. Step 3: Cross multiply
    351,572.61x = 485,257.01 × 200,757.09
  4. Step 4: Simplify right side
    351,572.61x = 97,418,784,225.92
  5. Step 5: Solve for x
    x = 97,418,784,225.92/351,572.61
  6. Step 6: Final answer
    x = 277,094.35

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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.