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Finding the Fourth Proportional to 300,320.40, 450,520.24 and 110,913.90

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Solution

The fourth proportional to 300,320.40, 450,520.24 and 110,913.90 is: 166,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,320.40 : 450,520.24 = 110,913.90 : x
  2. Step 2: Convert to fraction form
    300,320.40/450,520.24 = 110,913.90/x
  3. Step 3: Cross multiply
    300,320.40x = 450,520.24 × 110,913.90
  4. Step 4: Simplify right side
    300,320.40x = 49,968,956,847.34
  5. Step 5: Solve for x
    x = 49,968,956,847.34/300,320.40
  6. Step 6: Final answer
    x = 166,385.49

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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.