Home / 206,476.81-309,711.57-56,716.52

Finding the Fourth Proportional to 206,476.81, 309,711.57 and 56,716.52

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Solution

The fourth proportional to 206,476.81, 309,711.57 and 56,716.52 is: 85,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,476.81 : 309,711.57 = 56,716.52 : x
  2. Step 2: Convert to fraction form
    206,476.81/309,711.57 = 56,716.52/x
  3. Step 3: Cross multiply
    206,476.81x = 309,711.57 × 56,716.52
  4. Step 4: Simplify right side
    206,476.81x = 17,565,760,692.89
  5. Step 5: Solve for x
    x = 17,565,760,692.89/206,476.81
  6. Step 6: Final answer
    x = 85,073.77

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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.