Home / 287,364.41-396,562.74-166,575.69

Finding the Fourth Proportional to 287,364.41, 396,562.74 and 166,575.69

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Solution

The fourth proportional to 287,364.41, 396,562.74 and 166,575.69 is: 229,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,364.41 : 396,562.74 = 166,575.69 : x
  2. Step 2: Convert to fraction form
    287,364.41/396,562.74 = 166,575.69/x
  3. Step 3: Cross multiply
    287,364.41x = 396,562.74 × 166,575.69
  4. Step 4: Simplify right side
    287,364.41x = 66,057,711,419.13
  5. Step 5: Solve for x
    x = 66,057,711,419.13/287,364.41
  6. Step 6: Final answer
    x = 229,874.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.