Finding the Fourth Proportional to 328,516.23, 453,353.09 and 177,613.23
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Solution
The fourth proportional to 328,516.23, 453,353.09 and 177,613.23 is: 245,106.63
Step by Step Solution
- Step 1: Write the proportion equation
328,516.23 : 453,353.09 = 177,613.23 : x - Step 2: Convert to fraction form
328,516.23/453,353.09 = 177,613.23/x - Step 3: Cross multiply
328,516.23x = 453,353.09 × 177,613.23 - Step 4: Simplify right side
328,516.23x = 80,521,506,645.38 - Step 5: Solve for x
x = 80,521,506,645.38/328,516.23 - Step 6: Final answer
x = 245,106.63
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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.