Finding the Fourth Proportional to 616,062.89, 850,163.16 and 344,129.96
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Solution
The fourth proportional to 616,062.89, 850,163.16 and 344,129.96 is: 474,897.32
Step by Step Solution
- Step 1: Write the proportion equation
616,062.89 : 850,163.16 = 344,129.96 : x - Step 2: Convert to fraction form
616,062.89/850,163.16 = 344,129.96/x - Step 3: Cross multiply
616,062.89x = 850,163.16 × 344,129.96 - Step 4: Simplify right side
616,062.89x = 292,566,616,369.68 - Step 5: Solve for x
x = 292,566,616,369.68/616,062.89 - Step 6: Final answer
x = 474,897.32
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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.