Finding the Fourth Proportional to 251,006.49, 346,391.93 and 136,286.51
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Solution
The fourth proportional to 251,006.49, 346,391.93 and 136,286.51 is: 188,076.99
Step by Step Solution
- Step 1: Write the proportion equation
251,006.49 : 346,391.93 = 136,286.51 : x - Step 2: Convert to fraction form
251,006.49/346,391.93 = 136,286.51/x - Step 3: Cross multiply
251,006.49x = 346,391.93 × 136,286.51 - Step 4: Simplify right side
251,006.49x = 47,208,545,840.62 - Step 5: Solve for x
x = 47,208,545,840.62/251,006.49 - Step 6: Final answer
x = 188,076.99
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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.