Finding the Fourth Proportional to 207,060.96, 285,762.36 and 122,161.44
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Solution
The fourth proportional to 207,060.96, 285,762.36 and 122,161.44 is: 168,593.55
Step by Step Solution
- Step 1: Write the proportion equation
207,060.96 : 285,762.36 = 122,161.44 : x - Step 2: Convert to fraction form
207,060.96/285,762.36 = 122,161.44/x - Step 3: Cross multiply
207,060.96x = 285,762.36 × 122,161.44 - Step 4: Simplify right side
207,060.96x = 34,909,141,395.40 - Step 5: Solve for x
x = 34,909,141,395.40/207,060.96 - Step 6: Final answer
x = 168,593.55
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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.