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Finding the Fourth Proportional to 300,690.96, 450,479.64 and 150,756.24

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Solution

The fourth proportional to 300,690.96, 450,479.64 and 150,756.24 is: 225,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,690.96 : 450,479.64 = 150,756.24 : x
  2. Step 2: Convert to fraction form
    300,690.96/450,479.64 = 150,756.24/x
  3. Step 3: Cross multiply
    300,690.96x = 450,479.64 × 150,756.24
  4. Step 4: Simplify right side
    300,690.96x = 67,912,616,722.95
  5. Step 5: Solve for x
    x = 67,912,616,722.95/300,690.96
  6. Step 6: Final answer
    x = 225,855.20

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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.