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Finding the Fourth Proportional to 300,650.85, 450,650.20 and 150,529.10

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Solution

The fourth proportional to 300,650.85, 450,650.20 and 150,529.10 is: 225,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,650.85 : 450,650.20 = 150,529.10 : x
  2. Step 2: Convert to fraction form
    300,650.85/450,650.20 = 150,529.10/x
  3. Step 3: Cross multiply
    300,650.85x = 450,650.20 × 150,529.10
  4. Step 4: Simplify right side
    300,650.85x = 67,835,966,767.57
  5. Step 5: Solve for x
    x = 67,835,966,767.57/300,650.85
  6. Step 6: Final answer
    x = 225,630.38

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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.