Finding the Fourth Proportional to 373,833.91, 515,884.14 and 212,685.49
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Solution
The fourth proportional to 373,833.91, 515,884.14 and 212,685.49 is: 293,502.19
Step by Step Solution
- Step 1: Write the proportion equation
373,833.91 : 515,884.14 = 212,685.49 : x - Step 2: Convert to fraction form
373,833.91/515,884.14 = 212,685.49/x - Step 3: Cross multiply
373,833.91x = 515,884.14 × 212,685.49 - Step 4: Simplify right side
373,833.91x = 109,721,071,099.13 - Step 5: Solve for x
x = 109,721,071,099.13/373,833.91 - Step 6: Final answer
x = 293,502.19
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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.