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Finding the Fourth Proportional to 300,500.40, 450,095.58 and 150,479.04

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Solution

The fourth proportional to 300,500.40, 450,095.58 and 150,479.04 is: 225,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,500.40 : 450,095.58 = 150,479.04 : x
  2. Step 2: Convert to fraction form
    300,500.40/450,095.58 = 150,479.04/x
  3. Step 3: Cross multiply
    300,500.40x = 450,095.58 × 150,479.04
  4. Step 4: Simplify right side
    300,500.40x = 67,729,950,786.64
  5. Step 5: Solve for x
    x = 67,729,950,786.64/300,500.40
  6. Step 6: Final answer
    x = 225,390.55

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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.