Finding the Fourth Proportional to 299,516.10, 413,349.09 and 163,562.70
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Solution
The fourth proportional to 299,516.10, 413,349.09 and 163,562.70 is: 225,725.74
Step by Step Solution
- Step 1: Write the proportion equation
299,516.10 : 413,349.09 = 163,562.70 : x - Step 2: Convert to fraction form
299,516.10/413,349.09 = 163,562.70/x - Step 3: Cross multiply
299,516.10x = 413,349.09 × 163,562.70 - Step 4: Simplify right side
299,516.10x = 67,608,493,202.94 - Step 5: Solve for x
x = 67,608,493,202.94/299,516.10 - Step 6: Final answer
x = 225,725.74
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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.