Finding the Fourth Proportional to 86,892.14, 130,340.49 and 27,727.74
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Solution
The fourth proportional to 86,892.14, 130,340.49 and 27,727.74 is: 41,592.34
Step by Step Solution
- Step 1: Write the proportion equation
86,892.14 : 130,340.49 = 27,727.74 : x - Step 2: Convert to fraction form
86,892.14/130,340.49 = 27,727.74/x - Step 3: Cross multiply
86,892.14x = 130,340.49 × 27,727.74 - Step 4: Simplify right side
86,892.14x = 3,614,047,218.19 - Step 5: Solve for x
x = 3,614,047,218.19/86,892.14 - Step 6: Final answer
x = 41,592.34
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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.