Finding the Fourth Proportional to 373,832.40, 515,882.08 and 212,683.98
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Solution
The fourth proportional to 373,832.40, 515,882.08 and 212,683.98 is: 293,500.12
Step by Step Solution
- Step 1: Write the proportion equation
373,832.40 : 515,882.08 = 212,683.98 : x - Step 2: Convert to fraction form
373,832.40/515,882.08 = 212,683.98/x - Step 3: Cross multiply
373,832.40x = 515,882.08 × 212,683.98 - Step 4: Simplify right side
373,832.40x = 109,719,853,985.08 - Step 5: Solve for x
x = 109,719,853,985.08/373,832.40 - Step 6: Final answer
x = 293,500.12
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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.