Finding the Fourth Proportional to 84,816.19, 127,030.49 and 40,474.08
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Solution
The fourth proportional to 84,816.19, 127,030.49 and 40,474.08 is: 60,618.64
Step by Step Solution
- Step 1: Write the proportion equation
84,816.19 : 127,030.49 = 40,474.08 : x - Step 2: Convert to fraction form
84,816.19/127,030.49 = 40,474.08/x - Step 3: Cross multiply
84,816.19x = 127,030.49 × 40,474.08 - Step 4: Simplify right side
84,816.19x = 5,141,442,221.02 - Step 5: Solve for x
x = 5,141,442,221.02/84,816.19 - Step 6: Final answer
x = 60,618.64
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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.