Finding the Fourth Proportional to 116,564.74, 160,859.08 and 65,577.49
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Solution
The fourth proportional to 116,564.74, 160,859.08 and 65,577.49 is: 90,496.79
Step by Step Solution
- Step 1: Write the proportion equation
116,564.74 : 160,859.08 = 65,577.49 : x - Step 2: Convert to fraction form
116,564.74/160,859.08 = 65,577.49/x - Step 3: Cross multiply
116,564.74x = 160,859.08 × 65,577.49 - Step 4: Simplify right side
116,564.74x = 10,548,734,546.17 - Step 5: Solve for x
x = 10,548,734,546.17/116,564.74 - Step 6: Final answer
x = 90,496.79
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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.