Finding the Fourth Proportional to 192,504.78, 265,652.19 and 107,629.74
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Solution
The fourth proportional to 192,504.78, 265,652.19 and 107,629.74 is: 148,526.58
Step by Step Solution
- Step 1: Write the proportion equation
192,504.78 : 265,652.19 = 107,629.74 : x - Step 2: Convert to fraction form
192,504.78/265,652.19 = 107,629.74/x - Step 3: Cross multiply
192,504.78x = 265,652.19 × 107,629.74 - Step 4: Simplify right side
192,504.78x = 28,592,076,140.13 - Step 5: Solve for x
x = 28,592,076,140.13/192,504.78 - Step 6: Final answer
x = 148,526.58
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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.