Finding the Fourth Proportional to 299,545.70, 413,370.97 and 163,579.66
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Solution
The fourth proportional to 299,545.70, 413,370.97 and 163,579.66 is: 225,738.79
Step by Step Solution
- Step 1: Write the proportion equation
299,545.70 : 413,370.97 = 163,579.66 : x - Step 2: Convert to fraction form
299,545.70/413,370.97 = 163,579.66/x - Step 3: Cross multiply
299,545.70x = 413,370.97 × 163,579.66 - Step 4: Simplify right side
299,545.70x = 67,619,081,284.09 - Step 5: Solve for x
x = 67,619,081,284.09/299,545.70 - Step 6: Final answer
x = 225,738.79
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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.