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Finding the Fourth Proportional to 545,765.77, 818,736.14 and 230,269.15

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Solution

The fourth proportional to 545,765.77, 818,736.14 and 230,269.15 is: 345,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,765.77 : 818,736.14 = 230,269.15 : x
  2. Step 2: Convert to fraction form
    545,765.77/818,736.14 = 230,269.15/x
  3. Step 3: Cross multiply
    545,765.77x = 818,736.14 × 230,269.15
  4. Step 4: Simplify right side
    545,765.77x = 188,529,675,032.08
  5. Step 5: Solve for x
    x = 188,529,675,032.08/545,765.77
  6. Step 6: Final answer
    x = 345,440.64

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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.