Finding the Fourth Proportional to 291,733.23, 437,560.96 and 81,353.55
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Solution
The fourth proportional to 291,733.23, 437,560.96 and 81,353.55 is: 122,019.48
Step by Step Solution
- Step 1: Write the proportion equation
291,733.23 : 437,560.96 = 81,353.55 : x - Step 2: Convert to fraction form
291,733.23/437,560.96 = 81,353.55/x - Step 3: Cross multiply
291,733.23x = 437,560.96 × 81,353.55 - Step 4: Simplify right side
291,733.23x = 35,597,135,046.22 - Step 5: Solve for x
x = 35,597,135,046.22/291,733.23 - Step 6: Final answer
x = 122,019.48
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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.