Finding the Fourth Proportional to 199,610.68, 275,509.05 and 131,639.92
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Solution
The fourth proportional to 199,610.68, 275,509.05 and 131,639.92 is: 181,693.63
Step by Step Solution
- Step 1: Write the proportion equation
199,610.68 : 275,509.05 = 131,639.92 : x - Step 2: Convert to fraction form
199,610.68/275,509.05 = 131,639.92/x - Step 3: Cross multiply
199,610.68x = 275,509.05 × 131,639.92 - Step 4: Simplify right side
199,610.68x = 36,267,989,301.28 - Step 5: Solve for x
x = 36,267,989,301.28/199,610.68 - Step 6: Final answer
x = 181,693.63
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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.