Finding the Fourth Proportional to 121,824.69, 182,896.20 and 97,821.81
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Solution
The fourth proportional to 121,824.69, 182,896.20 and 97,821.81 is: 146,860.52
Step by Step Solution
- Step 1: Write the proportion equation
121,824.69 : 182,896.20 = 97,821.81 : x - Step 2: Convert to fraction form
121,824.69/182,896.20 = 97,821.81/x - Step 3: Cross multiply
121,824.69x = 182,896.20 × 97,821.81 - Step 4: Simplify right side
121,824.69x = 17,891,237,645.15 - Step 5: Solve for x
x = 17,891,237,645.15/121,824.69 - Step 6: Final answer
x = 146,860.52
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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.