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Finding the Fourth Proportional to 243,610.80, 364,897.80 and 202,138.80

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Solution

The fourth proportional to 243,610.80, 364,897.80 and 202,138.80 is: 302,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,610.80 : 364,897.80 = 202,138.80 : x
  2. Step 2: Convert to fraction form
    243,610.80/364,897.80 = 202,138.80/x
  3. Step 3: Cross multiply
    243,610.80x = 364,897.80 × 202,138.80
  4. Step 4: Simplify right side
    243,610.80x = 73,760,003,414.64
  5. Step 5: Solve for x
    x = 73,760,003,414.64/243,610.80
  6. Step 6: Final answer
    x = 302,778.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.