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Finding the Fourth Proportional to 504,304.92, 756,459.81 and 149,325.66

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Solution

The fourth proportional to 504,304.92, 756,459.81 and 149,325.66 is: 223,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,304.92 : 756,459.81 = 149,325.66 : x
  2. Step 2: Convert to fraction form
    504,304.92/756,459.81 = 149,325.66/x
  3. Step 3: Cross multiply
    504,304.92x = 756,459.81 × 149,325.66
  4. Step 4: Simplify right side
    504,304.92x = 112,958,860,391.73
  5. Step 5: Solve for x
    x = 112,958,860,391.73/504,304.92
  6. Step 6: Final answer
    x = 223,989.21

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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.