Finding the Fourth Proportional to 299,356.32, 413,107.92 and 165,211.68
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Solution
The fourth proportional to 299,356.32, 413,107.92 and 165,211.68 is: 227,990.02
Step by Step Solution
- Step 1: Write the proportion equation
299,356.32 : 413,107.92 = 165,211.68 : x - Step 2: Convert to fraction form
299,356.32/413,107.92 = 165,211.68/x - Step 3: Cross multiply
299,356.32x = 413,107.92 × 165,211.68 - Step 4: Simplify right side
299,356.32x = 68,250,253,484.51 - Step 5: Solve for x
x = 68,250,253,484.51/299,356.32 - Step 6: Final answer
x = 227,990.02
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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.