Finding the Fourth Proportional to 616,118.63, 850,234.34 and 344,190.43
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Solution
The fourth proportional to 616,118.63, 850,234.34 and 344,190.43 is: 474,977.55
Step by Step Solution
- Step 1: Write the proportion equation
616,118.63 : 850,234.34 = 344,190.43 : x - Step 2: Convert to fraction form
616,118.63/850,234.34 = 344,190.43/x - Step 3: Cross multiply
616,118.63x = 850,234.34 × 344,190.43 - Step 4: Simplify right side
616,118.63x = 292,642,517,113.24 - Step 5: Solve for x
x = 292,642,517,113.24/616,118.63 - Step 6: Final answer
x = 474,977.55
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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.