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Finding the Fourth Proportional to 300,354.07, 450,519.45 and 110,732.43

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Solution

The fourth proportional to 300,354.07, 450,519.45 and 110,732.43 is: 166,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,354.07 : 450,519.45 = 110,732.43 : x
  2. Step 2: Convert to fraction form
    300,354.07/450,519.45 = 110,732.43/x
  3. Step 3: Cross multiply
    300,354.07x = 450,519.45 × 110,732.43
  4. Step 4: Simplify right side
    300,354.07x = 49,887,113,460.76
  5. Step 5: Solve for x
    x = 49,887,113,460.76/300,354.07
  6. Step 6: Final answer
    x = 166,094.35

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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.