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Finding the Fourth Proportional to 484,150.34, 726,224.29 and 147,189.53

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Solution

The fourth proportional to 484,150.34, 726,224.29 and 147,189.53 is: 220,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,150.34 : 726,224.29 = 147,189.53 : x
  2. Step 2: Convert to fraction form
    484,150.34/726,224.29 = 147,189.53/x
  3. Step 3: Cross multiply
    484,150.34x = 726,224.29 × 147,189.53
  4. Step 4: Simplify right side
    484,150.34x = 106,892,611,919.68
  5. Step 5: Solve for x
    x = 106,892,611,919.68/484,150.34
  6. Step 6: Final answer
    x = 220,783.92

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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.