Finding the Fourth Proportional to 99,286.00, 137,015.74 and 53,963.99
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Solution
The fourth proportional to 99,286.00, 137,015.74 and 53,963.99 is: 74,470.88
Step by Step Solution
- Step 1: Write the proportion equation
99,286.00 : 137,015.74 = 53,963.99 : x - Step 2: Convert to fraction form
99,286.00/137,015.74 = 53,963.99/x - Step 3: Cross multiply
99,286.00x = 137,015.74 × 53,963.99 - Step 4: Simplify right side
99,286.00x = 7,393,915,615.84 - Step 5: Solve for x
x = 7,393,915,615.84/99,286.00 - Step 6: Final answer
x = 74,470.88
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1.5x scale
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.