Home / 330,932.43-496,447.85-153,457.38

Finding the Fourth Proportional to 330,932.43, 496,447.85 and 153,457.38

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Solution

The fourth proportional to 330,932.43, 496,447.85 and 153,457.38 is: 230,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,932.43 : 496,447.85 = 153,457.38 : x
  2. Step 2: Convert to fraction form
    330,932.43/496,447.85 = 153,457.38/x
  3. Step 3: Cross multiply
    330,932.43x = 496,447.85 × 153,457.38
  4. Step 4: Simplify right side
    330,932.43x = 76,183,586,367.63
  5. Step 5: Solve for x
    x = 76,183,586,367.63/330,932.43
  6. Step 6: Final answer
    x = 230,208.89

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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.