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Finding the Fourth Proportional to 440,136.47, 660,249.45 and 151,910.60

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Solution

The fourth proportional to 440,136.47, 660,249.45 and 151,910.60 is: 227,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,136.47 : 660,249.45 = 151,910.60 : x
  2. Step 2: Convert to fraction form
    440,136.47/660,249.45 = 151,910.60/x
  3. Step 3: Cross multiply
    440,136.47x = 660,249.45 × 151,910.60
  4. Step 4: Simplify right side
    440,136.47x = 100,298,886,797.92
  5. Step 5: Solve for x
    x = 100,298,886,797.92/440,136.47
  6. Step 6: Final answer
    x = 227,881.34

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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.