Home / 330,818.78-496,072.65-231,091.58

Finding the Fourth Proportional to 330,818.78, 496,072.65 and 231,091.58

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Solution

The fourth proportional to 330,818.78, 496,072.65 and 231,091.58 is: 346,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,818.78 : 496,072.65 = 231,091.58 : x
  2. Step 2: Convert to fraction form
    330,818.78/496,072.65 = 231,091.58/x
  3. Step 3: Cross multiply
    330,818.78x = 496,072.65 × 231,091.58
  4. Step 4: Simplify right side
    330,818.78x = 114,638,214,590.06
  5. Step 5: Solve for x
    x = 114,638,214,590.06/330,818.78
  6. Step 6: Final answer
    x = 346,528.74

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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.