Finding the Fourth Proportional to 328,713.68, 453,631.97 and 181,538.09
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Solution
The fourth proportional to 328,713.68, 453,631.97 and 181,538.09 is: 250,526.47
Step by Step Solution
- Step 1: Write the proportion equation
328,713.68 : 453,631.97 = 181,538.09 : x - Step 2: Convert to fraction form
328,713.68/453,631.97 = 181,538.09/x - Step 3: Cross multiply
328,713.68x = 453,631.97 × 181,538.09 - Step 4: Simplify right side
328,713.68x = 82,351,478,220.89 - Step 5: Solve for x
x = 82,351,478,220.89/328,713.68 - Step 6: Final answer
x = 250,526.47
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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.