Finding the Fourth Proportional to 270,761.68, 373,639.04 and 149,894.48
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Solution
The fourth proportional to 270,761.68, 373,639.04 and 149,894.48 is: 206,847.70
Step by Step Solution
- Step 1: Write the proportion equation
270,761.68 : 373,639.04 = 149,894.48 : x - Step 2: Convert to fraction form
270,761.68/373,639.04 = 149,894.48/x - Step 3: Cross multiply
270,761.68x = 373,639.04 × 149,894.48 - Step 4: Simplify right side
270,761.68x = 56,006,429,608.50 - Step 5: Solve for x
x = 56,006,429,608.50/270,761.68 - Step 6: Final answer
x = 206,847.70
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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.