Finding the Fourth Proportional to 142,717.68, 214,101.26 and 47,957.12
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Solution
The fourth proportional to 142,717.68, 214,101.26 and 47,957.12 is: 71,943.99
Step by Step Solution
- Step 1: Write the proportion equation
142,717.68 : 214,101.26 = 47,957.12 : x - Step 2: Convert to fraction form
142,717.68/214,101.26 = 47,957.12/x - Step 3: Cross multiply
142,717.68x = 214,101.26 × 47,957.12 - Step 4: Simplify right side
142,717.68x = 10,267,678,867.36 - Step 5: Solve for x
x = 10,267,678,867.36/142,717.68 - Step 6: Final answer
x = 71,943.99
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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.