Finding the Fourth Proportional to 197,489.52, 272,534.79 and 106,845.19
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Solution
The fourth proportional to 197,489.52, 272,534.79 and 106,845.19 is: 147,445.96
Step by Step Solution
- Step 1: Write the proportion equation
197,489.52 : 272,534.79 = 106,845.19 : x - Step 2: Convert to fraction form
197,489.52/272,534.79 = 106,845.19/x - Step 3: Cross multiply
197,489.52x = 272,534.79 × 106,845.19 - Step 4: Simplify right side
197,489.52x = 29,119,031,419.16 - Step 5: Solve for x
x = 29,119,031,419.16/197,489.52 - Step 6: Final answer
x = 147,445.96
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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.