Finding the Fourth Proportional to 204,447.51, 306,720.45 and 86,152.68
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Solution
The fourth proportional to 204,447.51, 306,720.45 and 86,152.68 is: 129,249.75
Step by Step Solution
- Step 1: Write the proportion equation
204,447.51 : 306,720.45 = 86,152.68 : x - Step 2: Convert to fraction form
204,447.51/306,720.45 = 86,152.68/x - Step 3: Cross multiply
204,447.51x = 306,720.45 × 86,152.68 - Step 4: Simplify right side
204,447.51x = 26,424,788,778.31 - Step 5: Solve for x
x = 26,424,788,778.31/204,447.51 - Step 6: Final answer
x = 129,249.75
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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.