Finding the Fourth Proportional to 122,616.52, 182,851.74 and 121,495.48
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Solution
The fourth proportional to 122,616.52, 182,851.74 and 121,495.48 is: 181,179.99
Step by Step Solution
- Step 1: Write the proportion equation
122,616.52 : 182,851.74 = 121,495.48 : x - Step 2: Convert to fraction form
122,616.52/182,851.74 = 121,495.48/x - Step 3: Cross multiply
122,616.52x = 182,851.74 × 121,495.48 - Step 4: Simplify right side
122,616.52x = 22,215,659,920.14 - Step 5: Solve for x
x = 22,215,659,920.14/122,616.52 - Step 6: Final answer
x = 181,179.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.