Finding the Fourth Proportional to 293,715.74, 405,297.26 and 172,849.82
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Solution
The fourth proportional to 293,715.74, 405,297.26 and 172,849.82 is: 238,514.82
Step by Step Solution
- Step 1: Write the proportion equation
293,715.74 : 405,297.26 = 172,849.82 : x - Step 2: Convert to fraction form
293,715.74/405,297.26 = 172,849.82/x - Step 3: Cross multiply
293,715.74x = 405,297.26 × 172,849.82 - Step 4: Simplify right side
293,715.74x = 70,055,555,546.76 - Step 5: Solve for x
x = 70,055,555,546.76/293,715.74 - Step 6: Final answer
x = 238,514.82
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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.