Home / 407,724.33-611,538.96-108,228.18

Finding the Fourth Proportional to 407,724.33, 611,538.96 and 108,228.18

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Solution

The fourth proportional to 407,724.33, 611,538.96 and 108,228.18 is: 162,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,724.33 : 611,538.96 = 108,228.18 : x
  2. Step 2: Convert to fraction form
    407,724.33/611,538.96 = 108,228.18/x
  3. Step 3: Cross multiply
    407,724.33x = 611,538.96 × 108,228.18
  4. Step 4: Simplify right side
    407,724.33x = 66,185,748,639.89
  5. Step 5: Solve for x
    x = 66,185,748,639.89/407,724.33
  6. Step 6: Final answer
    x = 162,329.65

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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.