Finding the Fourth Proportional to 203,724.74, 305,588.63 and 77,330.91
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Solution
The fourth proportional to 203,724.74, 305,588.63 and 77,330.91 is: 115,996.94
Step by Step Solution
- Step 1: Write the proportion equation
203,724.74 : 305,588.63 = 77,330.91 : x - Step 2: Convert to fraction form
203,724.74/305,588.63 = 77,330.91/x - Step 3: Cross multiply
203,724.74x = 305,588.63 × 77,330.91 - Step 4: Simplify right side
203,724.74x = 23,631,446,843.55 - Step 5: Solve for x
x = 23,631,446,843.55/203,724.74 - Step 6: Final answer
x = 115,996.94
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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.