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Finding the Fourth Proportional to 444,777.96, 667,172.58 and 145,256.16

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Solution

The fourth proportional to 444,777.96, 667,172.58 and 145,256.16 is: 217,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,777.96 : 667,172.58 = 145,256.16 : x
  2. Step 2: Convert to fraction form
    444,777.96/667,172.58 = 145,256.16/x
  3. Step 3: Cross multiply
    444,777.96x = 667,172.58 × 145,256.16
  4. Step 4: Simplify right side
    444,777.96x = 96,910,927,028.09
  5. Step 5: Solve for x
    x = 96,910,927,028.09/444,777.96
  6. Step 6: Final answer
    x = 217,886.08

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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.