Finding the Fourth Proportional to 225,816.18, 338,724.42 and 57,349.14
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Solution
The fourth proportional to 225,816.18, 338,724.42 and 57,349.14 is: 86,023.75
Step by Step Solution
- Step 1: Write the proportion equation
225,816.18 : 338,724.42 = 57,349.14 : x - Step 2: Convert to fraction form
225,816.18/338,724.42 = 57,349.14/x - Step 3: Cross multiply
225,816.18x = 338,724.42 × 57,349.14 - Step 4: Simplify right side
225,816.18x = 19,425,554,184.00 - Step 5: Solve for x
x = 19,425,554,184.00/225,816.18 - Step 6: Final answer
x = 86,023.75
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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.