Home / 215,284.50-323,008.80-96,928.62

Finding the Fourth Proportional to 215,284.50, 323,008.80 and 96,928.62

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Solution

The fourth proportional to 215,284.50, 323,008.80 and 96,928.62 is: 145,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,284.50 : 323,008.80 = 96,928.62 : x
  2. Step 2: Convert to fraction form
    215,284.50/323,008.80 = 96,928.62/x
  3. Step 3: Cross multiply
    215,284.50x = 323,008.80 × 96,928.62
  4. Step 4: Simplify right side
    215,284.50x = 31,308,797,231.86
  5. Step 5: Solve for x
    x = 31,308,797,231.86/215,284.50
  6. Step 6: Final answer
    x = 145,429.87

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1.5x scale

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.