Home / 243,035.40-364,553.10-223,789.80

Finding the Fourth Proportional to 243,035.40, 364,553.10 and 223,789.80

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Solution

The fourth proportional to 243,035.40, 364,553.10 and 223,789.80 is: 335,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,035.40 : 364,553.10 = 223,789.80 : x
  2. Step 2: Convert to fraction form
    243,035.40/364,553.10 = 223,789.80/x
  3. Step 3: Cross multiply
    243,035.40x = 364,553.10 × 223,789.80
  4. Step 4: Simplify right side
    243,035.40x = 81,583,265,338.38
  5. Step 5: Solve for x
    x = 81,583,265,338.38/243,035.40
  6. Step 6: Final answer
    x = 335,684.70

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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.