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Finding the Fourth Proportional to 545,770.77, 818,743.64 and 230,274.15

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Solution

The fourth proportional to 545,770.77, 818,743.64 and 230,274.15 is: 345,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,770.77 : 818,743.64 = 230,274.15 : x
  2. Step 2: Convert to fraction form
    545,770.77/818,743.64 = 230,274.15/x
  3. Step 3: Cross multiply
    545,770.77x = 818,743.64 × 230,274.15
  4. Step 4: Simplify right side
    545,770.77x = 188,535,494,617.54
  5. Step 5: Solve for x
    x = 188,535,494,617.54/545,770.77
  6. Step 6: Final answer
    x = 345,448.13

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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.