Finding the Fourth Proportional to 183,630.48, 253,315.62 and 122,481.96
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Solution
The fourth proportional to 183,630.48, 253,315.62 and 122,481.96 is: 168,962.11
Step by Step Solution
- Step 1: Write the proportion equation
183,630.48 : 253,315.62 = 122,481.96 : x - Step 2: Convert to fraction form
183,630.48/253,315.62 = 122,481.96/x - Step 3: Cross multiply
183,630.48x = 253,315.62 × 122,481.96 - Step 4: Simplify right side
183,630.48x = 31,026,593,636.22 - Step 5: Solve for x
x = 31,026,593,636.22/183,630.48 - Step 6: Final answer
x = 168,962.11
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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.