Home / 300,869.28-415,218.96-166,741.92

Finding the Fourth Proportional to 300,869.28, 415,218.96 and 166,741.92

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Solution

The fourth proportional to 300,869.28, 415,218.96 and 166,741.92 is: 230,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,869.28 : 415,218.96 = 166,741.92 : x
  2. Step 2: Convert to fraction form
    300,869.28/415,218.96 = 166,741.92/x
  3. Step 3: Cross multiply
    300,869.28x = 415,218.96 × 166,741.92
  4. Step 4: Simplify right side
    300,869.28x = 69,234,406,610.80
  5. Step 5: Solve for x
    x = 69,234,406,610.80/300,869.28
  6. Step 6: Final answer
    x = 230,114.58

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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.