Finding the Fourth Proportional to 308,252.17, 425,379.63 and 172,287.19
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Solution
The fourth proportional to 308,252.17, 425,379.63 and 172,287.19 is: 237,751.65
Step by Step Solution
- Step 1: Write the proportion equation
308,252.17 : 425,379.63 = 172,287.19 : x - Step 2: Convert to fraction form
308,252.17/425,379.63 = 172,287.19/x - Step 3: Cross multiply
308,252.17x = 425,379.63 × 172,287.19 - Step 4: Simplify right side
308,252.17x = 73,287,461,135.94 - Step 5: Solve for x
x = 73,287,461,135.94/308,252.17 - Step 6: Final answer
x = 237,751.65
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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.