Finding the Fourth Proportional to 251,174.19, 346,618.98 and 136,451.92
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Solution
The fourth proportional to 251,174.19, 346,618.98 and 136,451.92 is: 188,302.88
Step by Step Solution
- Step 1: Write the proportion equation
251,174.19 : 346,618.98 = 136,451.92 : x - Step 2: Convert to fraction form
251,174.19/346,618.98 = 136,451.92/x - Step 3: Cross multiply
251,174.19x = 346,618.98 × 136,451.92 - Step 4: Simplify right side
251,174.19x = 47,296,822,914.09 - Step 5: Solve for x
x = 47,296,822,914.09/251,174.19 - Step 6: Final answer
x = 188,302.88
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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.