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Finding the Fourth Proportional to 243,122.98, 335,197.83 and 199,354.27

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Solution

The fourth proportional to 243,122.98, 335,197.83 and 199,354.27 is: 274,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,122.98 : 335,197.83 = 199,354.27 : x
  2. Step 2: Convert to fraction form
    243,122.98/335,197.83 = 199,354.27/x
  3. Step 3: Cross multiply
    243,122.98x = 335,197.83 × 199,354.27
  4. Step 4: Simplify right side
    243,122.98x = 66,823,118,705.23
  5. Step 5: Solve for x
    x = 66,823,118,705.23/243,122.98
  6. Step 6: Final answer
    x = 274,853.16

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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.