Home / 386,723.60-579,624.60-162,083.60

Finding the Fourth Proportional to 386,723.60, 579,624.60 and 162,083.60

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Solution

The fourth proportional to 386,723.60, 579,624.60 and 162,083.60 is: 242,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,723.60 : 579,624.60 = 162,083.60 : x
  2. Step 2: Convert to fraction form
    386,723.60/579,624.60 = 162,083.60/x
  3. Step 3: Cross multiply
    386,723.60x = 579,624.60 × 162,083.60
  4. Step 4: Simplify right side
    386,723.60x = 93,947,641,816.56
  5. Step 5: Solve for x
    x = 93,947,641,816.56/386,723.60
  6. Step 6: Final answer
    x = 242,932.27

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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.