Finding the Fourth Proportional to 299,046.36, 412,689.42 and 163,081.92
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Solution
The fourth proportional to 299,046.36, 412,689.42 and 163,081.92 is: 225,056.02
Step by Step Solution
- Step 1: Write the proportion equation
299,046.36 : 412,689.42 = 163,081.92 : x - Step 2: Convert to fraction form
299,046.36/412,689.42 = 163,081.92/x - Step 3: Cross multiply
299,046.36x = 412,689.42 × 163,081.92 - Step 4: Simplify right side
299,046.36x = 67,302,182,977.29 - Step 5: Solve for x
x = 67,302,182,977.29/299,046.36 - Step 6: Final answer
x = 225,056.02
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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.