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Finding the Fourth Proportional to 545,766.77, 818,737.64 and 230,270.15

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Solution

The fourth proportional to 545,766.77, 818,737.64 and 230,270.15 is: 345,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,766.77 : 818,737.64 = 230,270.15 : x
  2. Step 2: Convert to fraction form
    545,766.77/818,737.64 = 230,270.15/x
  3. Step 3: Cross multiply
    545,766.77x = 818,737.64 × 230,270.15
  4. Step 4: Simplify right side
    545,766.77x = 188,530,839,173.45
  5. Step 5: Solve for x
    x = 188,530,839,173.45/545,766.77
  6. Step 6: Final answer
    x = 345,442.14

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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.