Home / 280,207.47-419,884.83-205,377.24

Finding the Fourth Proportional to 280,207.47, 419,884.83 and 205,377.24

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Solution

The fourth proportional to 280,207.47, 419,884.83 and 205,377.24 is: 307,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,207.47 : 419,884.83 = 205,377.24 : x
  2. Step 2: Convert to fraction form
    280,207.47/419,884.83 = 205,377.24/x
  3. Step 3: Cross multiply
    280,207.47x = 419,884.83 × 205,377.24
  4. Step 4: Simplify right side
    280,207.47x = 86,234,787,503.27
  5. Step 5: Solve for x
    x = 86,234,787,503.27/280,207.47
  6. Step 6: Final answer
    x = 307,753.35

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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.