Finding the Fourth Proportional to 215,153.45, 296,922.28 and 119,658.09
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Solution
The fourth proportional to 215,153.45, 296,922.28 and 119,658.09 is: 165,134.02
Step by Step Solution
- Step 1: Write the proportion equation
215,153.45 : 296,922.28 = 119,658.09 : x - Step 2: Convert to fraction form
215,153.45/296,922.28 = 119,658.09/x - Step 3: Cross multiply
215,153.45x = 296,922.28 × 119,658.09 - Step 4: Simplify right side
215,153.45x = 35,529,154,278.46 - Step 5: Solve for x
x = 35,529,154,278.46/215,153.45 - Step 6: Final answer
x = 165,134.02
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1.5x scale
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.