Finding the Fourth Proportional to 236,715.75, 326,677.46 and 136,113.75
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Solution
The fourth proportional to 236,715.75, 326,677.46 and 136,113.75 is: 187,842.56
Step by Step Solution
- Step 1: Write the proportion equation
236,715.75 : 326,677.46 = 136,113.75 : x - Step 2: Convert to fraction form
236,715.75/326,677.46 = 136,113.75/x - Step 3: Cross multiply
236,715.75x = 326,677.46 × 136,113.75 - Step 4: Simplify right side
236,715.75x = 44,465,293,440.51 - Step 5: Solve for x
x = 44,465,293,440.51/236,715.75 - Step 6: Final answer
x = 187,842.56
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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.