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Finding the Fourth Proportional to 504,608.22, 756,915.76 and 125,529.38

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Solution

The fourth proportional to 504,608.22, 756,915.76 and 125,529.38 is: 188,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,608.22 : 756,915.76 = 125,529.38 : x
  2. Step 2: Convert to fraction form
    504,608.22/756,915.76 = 125,529.38/x
  3. Step 3: Cross multiply
    504,608.22x = 756,915.76 × 125,529.38
  4. Step 4: Simplify right side
    504,608.22x = 95,015,166,065.03
  5. Step 5: Solve for x
    x = 95,015,166,065.03/504,608.22
  6. Step 6: Final answer
    x = 188,294.92

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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.