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Finding the Fourth Proportional to 300,365.30, 450,615.44 and 100,680.58

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Solution

The fourth proportional to 300,365.30, 450,615.44 and 100,680.58 is: 151,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,365.30 : 450,615.44 = 100,680.58 : x
  2. Step 2: Convert to fraction form
    300,365.30/450,615.44 = 100,680.58/x
  3. Step 3: Cross multiply
    300,365.30x = 450,615.44 × 100,680.58
  4. Step 4: Simplify right side
    300,365.30x = 45,368,224,671.13
  5. Step 5: Solve for x
    x = 45,368,224,671.13/300,365.30
  6. Step 6: Final answer
    x = 151,043.49

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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.