Finding the Fourth Proportional to 197,119.04, 272,025.12 and 107,696.96
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Solution
The fourth proportional to 197,119.04, 272,025.12 and 107,696.96 is: 148,622.27
Step by Step Solution
- Step 1: Write the proportion equation
197,119.04 : 272,025.12 = 107,696.96 : x - Step 2: Convert to fraction form
197,119.04/272,025.12 = 107,696.96/x - Step 3: Cross multiply
197,119.04x = 272,025.12 × 107,696.96 - Step 4: Simplify right side
197,119.04x = 29,296,278,467.64 - Step 5: Solve for x
x = 29,296,278,467.64/197,119.04 - Step 6: Final answer
x = 148,622.27
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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.