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Finding the Fourth Proportional to 450,103.34, 675,054.56 and 134,519.24

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Solution

The fourth proportional to 450,103.34, 675,054.56 and 134,519.24 is: 201,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,103.34 : 675,054.56 = 134,519.24 : x
  2. Step 2: Convert to fraction form
    450,103.34/675,054.56 = 134,519.24/x
  3. Step 3: Cross multiply
    450,103.34x = 675,054.56 × 134,519.24
  4. Step 4: Simplify right side
    450,103.34x = 90,807,826,369.73
  5. Step 5: Solve for x
    x = 90,807,826,369.73/450,103.34
  6. Step 6: Final answer
    x = 201,748.84

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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.