Finding the Fourth Proportional to 170,310.79, 235,028.96 and 98,732.31
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Solution
The fourth proportional to 170,310.79, 235,028.96 and 98,732.31 is: 136,250.63
Step by Step Solution
- Step 1: Write the proportion equation
170,310.79 : 235,028.96 = 98,732.31 : x - Step 2: Convert to fraction form
170,310.79/235,028.96 = 98,732.31/x - Step 3: Cross multiply
170,310.79x = 235,028.96 × 98,732.31 - Step 4: Simplify right side
170,310.79x = 23,204,952,137.70 - Step 5: Solve for x
x = 23,204,952,137.70/170,310.79 - Step 6: Final answer
x = 136,250.63
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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.