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Finding the Fourth Proportional to 361,374.72, 498,676.20 and 200,220.20

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Solution

The fourth proportional to 361,374.72, 498,676.20 and 200,220.20 is: 276,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,374.72 : 498,676.20 = 200,220.20 : x
  2. Step 2: Convert to fraction form
    361,374.72/498,676.20 = 200,220.20/x
  3. Step 3: Cross multiply
    361,374.72x = 498,676.20 × 200,220.20
  4. Step 4: Simplify right side
    361,374.72x = 99,845,048,499.24
  5. Step 5: Solve for x
    x = 99,845,048,499.24/361,374.72
  6. Step 6: Final answer
    x = 276,292.29

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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.