Home / 331,365.06-496,299.84-153,498.42

Finding the Fourth Proportional to 331,365.06, 496,299.84 and 153,498.42

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Solution

The fourth proportional to 331,365.06, 496,299.84 and 153,498.42 is: 229,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,365.06 : 496,299.84 = 153,498.42 : x
  2. Step 2: Convert to fraction form
    331,365.06/496,299.84 = 153,498.42/x
  3. Step 3: Cross multiply
    331,365.06x = 496,299.84 × 153,498.42
  4. Step 4: Simplify right side
    331,365.06x = 76,181,241,286.25
  5. Step 5: Solve for x
    x = 76,181,241,286.25/331,365.06
  6. Step 6: Final answer
    x = 229,901.25

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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.