Finding the Fourth Proportional to 251,717.92, 347,364.12 and 136,998.88
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Solution
The fourth proportional to 251,717.92, 347,364.12 and 136,998.88 is: 189,054.86
Step by Step Solution
- Step 1: Write the proportion equation
251,717.92 : 347,364.12 = 136,998.88 : x - Step 2: Convert to fraction form
251,717.92/347,364.12 = 136,998.88/x - Step 3: Cross multiply
251,717.92x = 347,364.12 × 136,998.88 - Step 4: Simplify right side
251,717.92x = 47,588,495,392.19 - Step 5: Solve for x
x = 47,588,495,392.19/251,717.92 - Step 6: Final answer
x = 189,054.86
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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.