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Finding the Fourth Proportional to 304,431.47, 454,780.46 and 219,466.52

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Solution

The fourth proportional to 304,431.47, 454,780.46 and 219,466.52 is: 327,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,431.47 : 454,780.46 = 219,466.52 : x
  2. Step 2: Convert to fraction form
    304,431.47/454,780.46 = 219,466.52/x
  3. Step 3: Cross multiply
    304,431.47x = 454,780.46 × 219,466.52
  4. Step 4: Simplify right side
    304,431.47x = 99,809,084,920.20
  5. Step 5: Solve for x
    x = 99,809,084,920.20/304,431.47
  6. Step 6: Final answer
    x = 327,854.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.