Finding the Fourth Proportional to 207,326.80, 310,759.80 and 113,899.60
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Solution
The fourth proportional to 207,326.80, 310,759.80 and 113,899.60 is: 170,722.82
Step by Step Solution
- Step 1: Write the proportion equation
207,326.80 : 310,759.80 = 113,899.60 : x - Step 2: Convert to fraction form
207,326.80/310,759.80 = 113,899.60/x - Step 3: Cross multiply
207,326.80x = 310,759.80 × 113,899.60 - Step 4: Simplify right side
207,326.80x = 35,395,416,916.08 - Step 5: Solve for x
x = 35,395,416,916.08/207,326.80 - Step 6: Final answer
x = 170,722.82
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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.