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Finding the Fourth Proportional to 287,314.27, 396,493.67 and 166,525.62

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Solution

The fourth proportional to 287,314.27, 396,493.67 and 166,525.62 is: 229,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,314.27 : 396,493.67 = 166,525.62 : x
  2. Step 2: Convert to fraction form
    287,314.27/396,493.67 = 166,525.62/x
  3. Step 3: Cross multiply
    287,314.27x = 396,493.67 × 166,525.62
  4. Step 4: Simplify right side
    287,314.27x = 66,026,351,903.34
  5. Step 5: Solve for x
    x = 66,026,351,903.34/287,314.27
  6. Step 6: Final answer
    x = 229,805.34

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1.5x scale

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.