Finding the Fourth Proportional to 292,704.60, 438,546.60 and 134,608.80
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Solution
The fourth proportional to 292,704.60, 438,546.60 and 134,608.80 is: 201,678.52
Step by Step Solution
- Step 1: Write the proportion equation
292,704.60 : 438,546.60 = 134,608.80 : x - Step 2: Convert to fraction form
292,704.60/438,546.60 = 134,608.80/x - Step 3: Cross multiply
292,704.60x = 438,546.60 × 134,608.80 - Step 4: Simplify right side
292,704.60x = 59,032,231,570.08 - Step 5: Solve for x
x = 59,032,231,570.08/292,704.60 - Step 6: Final answer
x = 201,678.52
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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.