Finding the Fourth Proportional to 400,122.53, 552,161.35 and 218,833.91
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Solution
The fourth proportional to 400,122.53, 552,161.35 and 218,833.91 is: 301,986.56
Step by Step Solution
- Step 1: Write the proportion equation
400,122.53 : 552,161.35 = 218,833.91 : x - Step 2: Convert to fraction form
400,122.53/552,161.35 = 218,833.91/x - Step 3: Cross multiply
400,122.53x = 552,161.35 × 218,833.91 - Step 4: Simplify right side
400,122.53x = 120,831,627,171.38 - Step 5: Solve for x
x = 120,831,627,171.38/400,122.53 - Step 6: Final answer
x = 301,986.56
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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.