Finding the Fourth Proportional to 247,592.43, 341,678.99 and 145,622.19
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Solution
The fourth proportional to 247,592.43, 341,678.99 and 145,622.19 is: 200,959.47
Step by Step Solution
- Step 1: Write the proportion equation
247,592.43 : 341,678.99 = 145,622.19 : x - Step 2: Convert to fraction form
247,592.43/341,678.99 = 145,622.19/x - Step 3: Cross multiply
247,592.43x = 341,678.99 × 145,622.19 - Step 4: Simplify right side
247,592.43x = 49,756,042,800.79 - Step 5: Solve for x
x = 49,756,042,800.79/247,592.43 - Step 6: Final answer
x = 200,959.47
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1.5x scale
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.