Finding the Fourth Proportional to 176,561.40, 264,842.10 and 157,207.80
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Solution
The fourth proportional to 176,561.40, 264,842.10 and 157,207.80 is: 235,811.70
Step by Step Solution
- Step 1: Write the proportion equation
176,561.40 : 264,842.10 = 157,207.80 : x - Step 2: Convert to fraction form
176,561.40/264,842.10 = 157,207.80/x - Step 3: Cross multiply
176,561.40x = 264,842.10 × 157,207.80 - Step 4: Simplify right side
176,561.40x = 41,635,243,888.38 - Step 5: Solve for x
x = 41,635,243,888.38/176,561.40 - Step 6: Final answer
x = 235,811.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.