Finding the Fourth Proportional to 306,651.25, 423,175.49 and 170,683.03
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Solution
The fourth proportional to 306,651.25, 423,175.49 and 170,683.03 is: 235,540.78
Step by Step Solution
- Step 1: Write the proportion equation
306,651.25 : 423,175.49 = 170,683.03 : x - Step 2: Convert to fraction form
306,651.25/423,175.49 = 170,683.03/x - Step 3: Cross multiply
306,651.25x = 423,175.49 × 170,683.03 - Step 4: Simplify right side
306,651.25x = 72,228,874,854.93 - Step 5: Solve for x
x = 72,228,874,854.93/306,651.25 - Step 6: Final answer
x = 235,540.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.