Finding the Fourth Proportional to 235,091.18, 352,689.96 and 77,321.00
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Solution
The fourth proportional to 235,091.18, 352,689.96 and 77,321.00 is: 115,998.99
Step by Step Solution
- Step 1: Write the proportion equation
235,091.18 : 352,689.96 = 77,321.00 : x - Step 2: Convert to fraction form
235,091.18/352,689.96 = 77,321.00/x - Step 3: Cross multiply
235,091.18x = 352,689.96 × 77,321.00 - Step 4: Simplify right side
235,091.18x = 27,270,338,633.71 - Step 5: Solve for x
x = 27,270,338,633.71/235,091.18 - Step 6: Final answer
x = 115,998.99
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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.