Finding the Fourth Proportional to 248,543.91, 342,990.57 and 135,366.66
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Solution
The fourth proportional to 248,543.91, 342,990.57 and 135,366.66 is: 186,805.98
Step by Step Solution
- Step 1: Write the proportion equation
248,543.91 : 342,990.57 = 135,366.66 : x - Step 2: Convert to fraction form
248,543.91/342,990.57 = 135,366.66/x - Step 3: Cross multiply
248,543.91x = 342,990.57 × 135,366.66 - Step 4: Simplify right side
248,543.91x = 46,429,487,872.40 - Step 5: Solve for x
x = 46,429,487,872.40/248,543.91 - Step 6: Final answer
x = 186,805.98
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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.