Finding the Fourth Proportional to 299,730.67, 413,623.49 and 163,761.70
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Solution
The fourth proportional to 299,730.67, 413,623.49 and 163,761.70 is: 225,988.50
Step by Step Solution
- Step 1: Write the proportion equation
299,730.67 : 413,623.49 = 163,761.70 : x - Step 2: Convert to fraction form
299,730.67/413,623.49 = 163,761.70/x - Step 3: Cross multiply
299,730.67x = 413,623.49 × 163,761.70 - Step 4: Simplify right side
299,730.67x = 67,735,685,882.33 - Step 5: Solve for x
x = 67,735,685,882.33/299,730.67 - Step 6: Final answer
x = 225,988.50
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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.