Home / 206,262.76-309,394.38-56,504.34

Finding the Fourth Proportional to 206,262.76, 309,394.38 and 56,504.34

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Solution

The fourth proportional to 206,262.76, 309,394.38 and 56,504.34 is: 84,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,262.76 : 309,394.38 = 56,504.34 : x
  2. Step 2: Convert to fraction form
    206,262.76/309,394.38 = 56,504.34/x
  3. Step 3: Cross multiply
    206,262.76x = 309,394.38 × 56,504.34
  4. Step 4: Simplify right side
    206,262.76x = 17,482,123,412.12
  5. Step 5: Solve for x
    x = 17,482,123,412.12/206,262.76
  6. Step 6: Final answer
    x = 84,756.57

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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.