Home / 331,181.40-496,383.30-153,312.69

Finding the Fourth Proportional to 331,181.40, 496,383.30 and 153,312.69

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Solution

The fourth proportional to 331,181.40, 496,383.30 and 153,312.69 is: 229,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,181.40 : 496,383.30 = 153,312.69 : x
  2. Step 2: Convert to fraction form
    331,181.40/496,383.30 = 153,312.69/x
  3. Step 3: Cross multiply
    331,181.40x = 496,383.30 × 153,312.69
  4. Step 4: Simplify right side
    331,181.40x = 76,101,858,994.08
  5. Step 5: Solve for x
    x = 76,101,858,994.08/331,181.40
  6. Step 6: Final answer
    x = 229,789.05

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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.