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Finding the Fourth Proportional to 444,012.75, 612,737.60 and 242,808.75

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Solution

The fourth proportional to 444,012.75, 612,737.60 and 242,808.75 is: 335,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,012.75 : 612,737.60 = 242,808.75 : x
  2. Step 2: Convert to fraction form
    444,012.75/612,737.60 = 242,808.75/x
  3. Step 3: Cross multiply
    444,012.75x = 612,737.60 × 242,808.75
  4. Step 4: Simplify right side
    444,012.75x = 148,778,049,519.96
  5. Step 5: Solve for x
    x = 148,778,049,519.96/444,012.75
  6. Step 6: Final answer
    x = 335,076.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.