Home / 386,229.60-579,504.45-208,527.75

Finding the Fourth Proportional to 386,229.60, 579,504.45 and 208,527.75

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Solution

The fourth proportional to 386,229.60, 579,504.45 and 208,527.75 is: 312,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,229.60 : 579,504.45 = 208,527.75 : x
  2. Step 2: Convert to fraction form
    386,229.60/579,504.45 = 208,527.75/x
  3. Step 3: Cross multiply
    386,229.60x = 579,504.45 × 208,527.75
  4. Step 4: Simplify right side
    386,229.60x = 120,842,759,073.49
  5. Step 5: Solve for x
    x = 120,842,759,073.49/386,229.60
  6. Step 6: Final answer
    x = 312,878.04

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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.