Finding the Fourth Proportional to 616,120.13, 850,236.40 and 344,191.93
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Solution
The fourth proportional to 616,120.13, 850,236.40 and 344,191.93 is: 474,979.62
Step by Step Solution
- Step 1: Write the proportion equation
616,120.13 : 850,236.40 = 344,191.93 : x - Step 2: Convert to fraction form
616,120.13/850,236.40 = 344,191.93/x - Step 3: Cross multiply
616,120.13x = 850,236.40 × 344,191.93 - Step 4: Simplify right side
616,120.13x = 292,644,507,472.25 - Step 5: Solve for x
x = 292,644,507,472.25/616,120.13 - Step 6: Final answer
x = 474,979.62
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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.