Finding the Fourth Proportional to 388,201.08, 582,301.62 and 107,718.42
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Solution
The fourth proportional to 388,201.08, 582,301.62 and 107,718.42 is: 161,577.63
Step by Step Solution
- Step 1: Write the proportion equation
388,201.08 : 582,301.62 = 107,718.42 : x - Step 2: Convert to fraction form
388,201.08/582,301.62 = 107,718.42/x - Step 3: Cross multiply
388,201.08x = 582,301.62 × 107,718.42 - Step 4: Simplify right side
388,201.08x = 62,724,610,469.84 - Step 5: Solve for x
x = 62,724,610,469.84/388,201.08 - Step 6: Final answer
x = 161,577.63
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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.