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Finding the Fourth Proportional to 206,262.87, 309,394.56 and 56,504.45

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Solution

The fourth proportional to 206,262.87, 309,394.56 and 56,504.45 is: 84,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,262.87 : 309,394.56 = 56,504.45 : x
  2. Step 2: Convert to fraction form
    206,262.87/309,394.56 = 56,504.45/x
  3. Step 3: Cross multiply
    206,262.87x = 309,394.56 × 56,504.45
  4. Step 4: Simplify right side
    206,262.87x = 17,482,169,445.79
  5. Step 5: Solve for x
    x = 17,482,169,445.79/206,262.87
  6. Step 6: Final answer
    x = 84,756.74

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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.