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Finding the Fourth Proportional to 300,600.25, 450,901.28 and 72,895.01

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Solution

The fourth proportional to 300,600.25, 450,901.28 and 72,895.01 is: 109,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,600.25 : 450,901.28 = 72,895.01 : x
  2. Step 2: Convert to fraction form
    300,600.25/450,901.28 = 72,895.01/x
  3. Step 3: Cross multiply
    300,600.25x = 450,901.28 × 72,895.01
  4. Step 4: Simplify right side
    300,600.25x = 32,868,451,242.34
  5. Step 5: Solve for x
    x = 32,868,451,242.34/300,600.25
  6. Step 6: Final answer
    x = 109,342.73

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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.