Finding the Fourth Proportional to 215,153.18, 296,907.17 and 119,657.82
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Solution
The fourth proportional to 215,153.18, 296,907.17 and 119,657.82 is: 165,125.45
Step by Step Solution
- Step 1: Write the proportion equation
215,153.18 : 296,907.17 = 119,657.82 : x - Step 2: Convert to fraction form
215,153.18/296,907.17 = 119,657.82/x - Step 3: Cross multiply
215,153.18x = 296,907.17 × 119,657.82 - Step 4: Simplify right side
215,153.18x = 35,527,265,892.76 - Step 5: Solve for x
x = 35,527,265,892.76/215,153.18 - Step 6: Final answer
x = 165,125.45
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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.