Home / 287,567.35-396,844.53-166,780.27

Finding the Fourth Proportional to 287,567.35, 396,844.53 and 166,780.27

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Solution

The fourth proportional to 287,567.35, 396,844.53 and 166,780.27 is: 230,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,567.35 : 396,844.53 = 166,780.27 : x
  2. Step 2: Convert to fraction form
    287,567.35/396,844.53 = 166,780.27/x
  3. Step 3: Cross multiply
    287,567.35x = 396,844.53 × 166,780.27
  4. Step 4: Simplify right side
    287,567.35x = 66,185,837,861.42
  5. Step 5: Solve for x
    x = 66,185,837,861.42/287,567.35
  6. Step 6: Final answer
    x = 230,157.69

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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.