Home / 206,376.40-309,513.33-116,458.59

Finding the Fourth Proportional to 206,376.40, 309,513.33 and 116,458.59

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Solution

The fourth proportional to 206,376.40, 309,513.33 and 116,458.59 is: 174,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,376.40 : 309,513.33 = 116,458.59 : x
  2. Step 2: Convert to fraction form
    206,376.40/309,513.33 = 116,458.59/x
  3. Step 3: Cross multiply
    206,376.40x = 309,513.33 × 116,458.59
  4. Step 4: Simplify right side
    206,376.40x = 36,045,485,998.00
  5. Step 5: Solve for x
    x = 36,045,485,998.00/206,376.40
  6. Step 6: Final answer
    x = 174,658.96

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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.