Finding the Fourth Proportional to 252,381.88, 377,684.20 and 157,656.68
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Solution
The fourth proportional to 252,381.88, 377,684.20 and 157,656.68 is: 235,929.92
Step by Step Solution
- Step 1: Write the proportion equation
252,381.88 : 377,684.20 = 157,656.68 : x - Step 2: Convert to fraction form
252,381.88/377,684.20 = 157,656.68/x - Step 3: Cross multiply
252,381.88x = 377,684.20 × 157,656.68 - Step 4: Simplify right side
252,381.88x = 59,544,436,785.42 - Step 5: Solve for x
x = 59,544,436,785.42/252,381.88 - Step 6: Final answer
x = 235,929.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.