Finding the Fourth Proportional to 114,444.36, 157,917.24 and 66,660.84
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Solution
The fourth proportional to 114,444.36, 157,917.24 and 66,660.84 is: 91,982.65
Step by Step Solution
- Step 1: Write the proportion equation
114,444.36 : 157,917.24 = 66,660.84 : x - Step 2: Convert to fraction form
114,444.36/157,917.24 = 66,660.84/x - Step 3: Cross multiply
114,444.36x = 157,917.24 × 66,660.84 - Step 4: Simplify right side
114,444.36x = 10,526,895,868.88 - Step 5: Solve for x
x = 10,526,895,868.88/114,444.36 - Step 6: Final answer
x = 91,982.65
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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.