Finding the Fourth Proportional to 239,917.52, 331,193.93 and 158,293.80
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Solution
The fourth proportional to 239,917.52, 331,193.93 and 158,293.80 is: 218,516.54
Step by Step Solution
- Step 1: Write the proportion equation
239,917.52 : 331,193.93 = 158,293.80 : x - Step 2: Convert to fraction form
239,917.52/331,193.93 = 158,293.80/x - Step 3: Cross multiply
239,917.52x = 331,193.93 × 158,293.80 - Step 4: Simplify right side
239,917.52x = 52,425,944,925.17 - Step 5: Solve for x
x = 52,425,944,925.17/239,917.52 - Step 6: Final answer
x = 218,516.54
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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.