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Finding the Fourth Proportional to 300,293.76, 450,618.12 and 110,886.78

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Solution

The fourth proportional to 300,293.76, 450,618.12 and 110,886.78 is: 166,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,293.76 : 450,618.12 = 110,886.78 : x
  2. Step 2: Convert to fraction form
    300,293.76/450,618.12 = 110,886.78/x
  3. Step 3: Cross multiply
    300,293.76x = 450,618.12 × 110,886.78
  4. Step 4: Simplify right side
    300,293.76x = 49,967,592,336.45
  5. Step 5: Solve for x
    x = 49,967,592,336.45/300,293.76
  6. Step 6: Final answer
    x = 166,395.71

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1.5x scale

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.