Finding the Fourth Proportional to 247,706.76, 341,857.62 and 140,302.92
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Solution
The fourth proportional to 247,706.76, 341,857.62 and 140,302.92 is: 193,630.66
Step by Step Solution
- Step 1: Write the proportion equation
247,706.76 : 341,857.62 = 140,302.92 : x - Step 2: Convert to fraction form
247,706.76/341,857.62 = 140,302.92/x - Step 3: Cross multiply
247,706.76x = 341,857.62 × 140,302.92 - Step 4: Simplify right side
247,706.76x = 47,963,622,310.25 - Step 5: Solve for x
x = 47,963,622,310.25/247,706.76 - Step 6: Final answer
x = 193,630.66
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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.