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Finding the Fourth Proportional to 526,272.64, 789,222.66 and 171,220.48

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Solution

The fourth proportional to 526,272.64, 789,222.66 and 171,220.48 is: 256,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,272.64 : 789,222.66 = 171,220.48 : x
  2. Step 2: Convert to fraction form
    526,272.64/789,222.66 = 171,220.48/x
  3. Step 3: Cross multiply
    526,272.64x = 789,222.66 × 171,220.48
  4. Step 4: Simplify right side
    526,272.64x = 135,131,082,672.08
  5. Step 5: Solve for x
    x = 135,131,082,672.08/526,272.64
  6. Step 6: Final answer
    x = 256,770.11

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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.