Home / 331,182.78-496,834.65-153,665.34

Finding the Fourth Proportional to 331,182.78, 496,834.65 and 153,665.34

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Solution

The fourth proportional to 331,182.78, 496,834.65 and 153,665.34 is: 230,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,182.78 : 496,834.65 = 153,665.34 : x
  2. Step 2: Convert to fraction form
    331,182.78/496,834.65 = 153,665.34/x
  3. Step 3: Cross multiply
    331,182.78x = 496,834.65 × 153,665.34
  4. Step 4: Simplify right side
    331,182.78x = 76,346,265,416.03
  5. Step 5: Solve for x
    x = 76,346,265,416.03/331,182.78
  6. Step 6: Final answer
    x = 230,526.07

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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.