Finding the Fourth Proportional to 186,537.96, 257,239.48 and 118,436.70
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Solution
The fourth proportional to 186,537.96, 257,239.48 and 118,436.70 is: 163,326.52
Step by Step Solution
- Step 1: Write the proportion equation
186,537.96 : 257,239.48 = 118,436.70 : x - Step 2: Convert to fraction form
186,537.96/257,239.48 = 118,436.70/x - Step 3: Cross multiply
186,537.96x = 257,239.48 × 118,436.70 - Step 4: Simplify right side
186,537.96x = 30,466,595,120.92 - Step 5: Solve for x
x = 30,466,595,120.92/186,537.96 - Step 6: Final answer
x = 163,326.52
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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.