Finding the Fourth Proportional to 217,802.68, 326,703.11 and 84,775.70
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Solution
The fourth proportional to 217,802.68, 326,703.11 and 84,775.70 is: 127,163.20
Step by Step Solution
- Step 1: Write the proportion equation
217,802.68 : 326,703.11 = 84,775.70 : x - Step 2: Convert to fraction form
217,802.68/326,703.11 = 84,775.70/x - Step 3: Cross multiply
217,802.68x = 326,703.11 × 84,775.70 - Step 4: Simplify right side
217,802.68x = 27,696,485,235.31 - Step 5: Solve for x
x = 27,696,485,235.31/217,802.68 - Step 6: Final answer
x = 127,163.20
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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.