Finding the Fourth Proportional to 311,160.99, 465,947.20 and 248,073.13
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Solution
The fourth proportional to 311,160.99, 465,947.20 and 248,073.13 is: 371,476.45
Step by Step Solution
- Step 1: Write the proportion equation
311,160.99 : 465,947.20 = 248,073.13 : x - Step 2: Convert to fraction form
311,160.99/465,947.20 = 248,073.13/x - Step 3: Cross multiply
311,160.99x = 465,947.20 × 248,073.13 - Step 4: Simplify right side
311,160.99x = 115,588,981,211.26 - Step 5: Solve for x
x = 115,588,981,211.26/311,160.99 - Step 6: Final answer
x = 371,476.45
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1.5x scale
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.