Finding the Fourth Proportional to 292,201.44, 438,321.60 and 102,638.76
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Solution
The fourth proportional to 292,201.44, 438,321.60 and 102,638.76 is: 153,964.97
Step by Step Solution
- Step 1: Write the proportion equation
292,201.44 : 438,321.60 = 102,638.76 : x - Step 2: Convert to fraction form
292,201.44/438,321.60 = 102,638.76/x - Step 3: Cross multiply
292,201.44x = 438,321.60 × 102,638.76 - Step 4: Simplify right side
292,201.44x = 44,988,785,505.22 - Step 5: Solve for x
x = 44,988,785,505.22/292,201.44 - Step 6: Final answer
x = 153,964.97
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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.