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Finding the Fourth Proportional to 230,683.26, 345,723.45 and 118,268.22

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Solution

The fourth proportional to 230,683.26, 345,723.45 and 118,268.22 is: 177,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,683.26 : 345,723.45 = 118,268.22 : x
  2. Step 2: Convert to fraction form
    230,683.26/345,723.45 = 118,268.22/x
  3. Step 3: Cross multiply
    230,683.26x = 345,723.45 × 118,268.22
  4. Step 4: Simplify right side
    230,683.26x = 40,888,097,043.76
  5. Step 5: Solve for x
    x = 40,888,097,043.76/230,683.26
  6. Step 6: Final answer
    x = 177,247.79

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1.5x scale

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.