Finding the Fourth Proportional to 437,343.05, 656,052.16 and 121,799.95
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Solution
The fourth proportional to 437,343.05, 656,052.16 and 121,799.95 is: 182,710.40
Step by Step Solution
- Step 1: Write the proportion equation
437,343.05 : 656,052.16 = 121,799.95 : x - Step 2: Convert to fraction form
437,343.05/656,052.16 = 121,799.95/x - Step 3: Cross multiply
437,343.05x = 656,052.16 × 121,799.95 - Step 4: Simplify right side
437,343.05x = 79,907,122,259.43 - Step 5: Solve for x
x = 79,907,122,259.43/437,343.05 - Step 6: Final answer
x = 182,710.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.