Home / 545,764.77-818,734.64-230,268.15

Finding the Fourth Proportional to 545,764.77, 818,734.64 and 230,268.15

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Solution

The fourth proportional to 545,764.77, 818,734.64 and 230,268.15 is: 345,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,764.77 : 818,734.64 = 230,268.15 : x
  2. Step 2: Convert to fraction form
    545,764.77/818,734.64 = 230,268.15/x
  3. Step 3: Cross multiply
    545,764.77x = 818,734.64 × 230,268.15
  4. Step 4: Simplify right side
    545,764.77x = 188,528,509,742.38
  5. Step 5: Solve for x
    x = 188,528,509,742.38/545,764.77
  6. Step 6: Final answer
    x = 345,439.13

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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.