Finding the Fourth Proportional to 353,740.35, 487,231.83 and 271,912.08
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Solution
The fourth proportional to 353,740.35, 487,231.83 and 271,912.08 is: 374,523.91
Step by Step Solution
- Step 1: Write the proportion equation
353,740.35 : 487,231.83 = 271,912.08 : x - Step 2: Convert to fraction form
353,740.35/487,231.83 = 271,912.08/x - Step 3: Cross multiply
353,740.35x = 487,231.83 × 271,912.08 - Step 4: Simplify right side
353,740.35x = 132,484,220,337.51 - Step 5: Solve for x
x = 132,484,220,337.51/353,740.35 - Step 6: Final answer
x = 374,523.91
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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.