Finding the Fourth Proportional to 229,766.40, 344,908.80 and 136,324.80
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Solution
The fourth proportional to 229,766.40, 344,908.80 and 136,324.80 is: 204,640.99
Step by Step Solution
- Step 1: Write the proportion equation
229,766.40 : 344,908.80 = 136,324.80 : x - Step 2: Convert to fraction form
229,766.40/344,908.80 = 136,324.80/x - Step 3: Cross multiply
229,766.40x = 344,908.80 × 136,324.80 - Step 4: Simplify right side
229,766.40x = 47,019,623,178.24 - Step 5: Solve for x
x = 47,019,623,178.24/229,766.40 - Step 6: Final answer
x = 204,640.99
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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.