Finding the Fourth Proportional to 373,711.61, 515,734.09 and 212,562.52
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Solution
The fourth proportional to 373,711.61, 515,734.09 and 212,562.52 is: 293,343.14
Step by Step Solution
- Step 1: Write the proportion equation
373,711.61 : 515,734.09 = 212,562.52 : x - Step 2: Convert to fraction form
373,711.61/515,734.09 = 212,562.52/x - Step 3: Cross multiply
373,711.61x = 515,734.09 × 212,562.52 - Step 4: Simplify right side
373,711.61x = 109,625,735,999.57 - Step 5: Solve for x
x = 109,625,735,999.57/373,711.61 - Step 6: Final answer
x = 293,343.14
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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.