Finding the Fourth Proportional to 164,758.20, 227,376.12 and 93,144.84
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Solution
The fourth proportional to 164,758.20, 227,376.12 and 93,144.84 is: 128,545.42
Step by Step Solution
- Step 1: Write the proportion equation
164,758.20 : 227,376.12 = 93,144.84 : x - Step 2: Convert to fraction form
164,758.20/227,376.12 = 93,144.84/x - Step 3: Cross multiply
164,758.20x = 227,376.12 × 93,144.84 - Step 4: Simplify right side
164,758.20x = 21,178,912,317.22 - Step 5: Solve for x
x = 21,178,912,317.22/164,758.20 - Step 6: Final answer
x = 128,545.42
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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.