Finding the Fourth Proportional to 616,677.99, 851,021.94 and 344,760.99
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Solution
The fourth proportional to 616,677.99, 851,021.94 and 344,760.99 is: 475,773.70
Step by Step Solution
- Step 1: Write the proportion equation
616,677.99 : 851,021.94 = 344,760.99 : x - Step 2: Convert to fraction form
616,677.99/851,021.94 = 344,760.99/x - Step 3: Cross multiply
616,677.99x = 851,021.94 × 344,760.99 - Step 4: Simplify right side
616,677.99x = 293,399,166,546.12 - Step 5: Solve for x
x = 293,399,166,546.12/616,677.99 - Step 6: Final answer
x = 475,773.70
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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.