Finding the Fourth Proportional to 160,880.94, 222,021.66 and 97,206.42
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Solution
The fourth proportional to 160,880.94, 222,021.66 and 97,206.42 is: 134,148.46
Step by Step Solution
- Step 1: Write the proportion equation
160,880.94 : 222,021.66 = 97,206.42 : x - Step 2: Convert to fraction form
160,880.94/222,021.66 = 97,206.42/x - Step 3: Cross multiply
160,880.94x = 222,021.66 × 97,206.42 - Step 4: Simplify right side
160,880.94x = 21,581,930,731.06 - Step 5: Solve for x
x = 21,581,930,731.06/160,880.94 - Step 6: Final answer
x = 134,148.46
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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.