Finding the Fourth Proportional to 616,133.98, 850,234.32 and 344,147.68
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Solution
The fourth proportional to 616,133.98, 850,234.32 and 344,147.68 is: 474,906.72
Step by Step Solution
- Step 1: Write the proportion equation
616,133.98 : 850,234.32 = 344,147.68 : x - Step 2: Convert to fraction form
616,133.98/850,234.32 = 344,147.68/x - Step 3: Cross multiply
616,133.98x = 850,234.32 × 344,147.68 - Step 4: Simplify right side
616,133.98x = 292,606,168,684.38 - Step 5: Solve for x
x = 292,606,168,684.38/616,133.98 - Step 6: Final answer
x = 474,906.72
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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.