Finding the Fourth Proportional to 373,316.08, 515,163.36 and 212,168.32
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Solution
The fourth proportional to 373,316.08, 515,163.36 and 212,168.32 is: 292,784.99
Step by Step Solution
- Step 1: Write the proportion equation
373,316.08 : 515,163.36 = 212,168.32 : x - Step 2: Convert to fraction form
373,316.08/515,163.36 = 212,168.32/x - Step 3: Cross multiply
373,316.08x = 515,163.36 × 212,168.32 - Step 4: Simplify right side
373,316.08x = 109,301,344,616.76 - Step 5: Solve for x
x = 109,301,344,616.76/373,316.08 - Step 6: Final answer
x = 292,784.99
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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.