Finding the Fourth Proportional to 201,773.48, 278,436.64 and 115,727.99
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Solution
The fourth proportional to 201,773.48, 278,436.64 and 115,727.99 is: 159,698.45
Step by Step Solution
- Step 1: Write the proportion equation
201,773.48 : 278,436.64 = 115,727.99 : x - Step 2: Convert to fraction form
201,773.48/278,436.64 = 115,727.99/x - Step 3: Cross multiply
201,773.48x = 278,436.64 × 115,727.99 - Step 4: Simplify right side
201,773.48x = 32,222,912,689.55 - Step 5: Solve for x
x = 32,222,912,689.55/201,773.48 - Step 6: Final answer
x = 159,698.45
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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.