Finding the Fourth Proportional to 247,775.73, 341,849.19 and 138,864.17
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Solution
The fourth proportional to 247,775.73, 341,849.19 and 138,864.17 is: 191,586.99
Step by Step Solution
- Step 1: Write the proportion equation
247,775.73 : 341,849.19 = 138,864.17 : x - Step 2: Convert to fraction form
247,775.73/341,849.19 = 138,864.17/x - Step 3: Cross multiply
247,775.73x = 341,849.19 × 138,864.17 - Step 4: Simplify right side
247,775.73x = 47,470,605,409.89 - Step 5: Solve for x
x = 47,470,605,409.89/247,775.73 - Step 6: Final answer
x = 191,586.99
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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.