Finding the Fourth Proportional to 251,135.52, 346,569.84 and 136,415.16
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Solution
The fourth proportional to 251,135.52, 346,569.84 and 136,415.16 is: 188,254.45
Step by Step Solution
- Step 1: Write the proportion equation
251,135.52 : 346,569.84 = 136,415.16 : x - Step 2: Convert to fraction form
251,135.52/346,569.84 = 136,415.16/x - Step 3: Cross multiply
251,135.52x = 346,569.84 × 136,415.16 - Step 4: Simplify right side
251,135.52x = 47,277,380,174.77 - Step 5: Solve for x
x = 47,277,380,174.77/251,135.52 - Step 6: Final answer
x = 188,254.45
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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.