Finding the Fourth Proportional to 197,473.75, 272,513.17 and 106,829.69
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Solution
The fourth proportional to 197,473.75, 272,513.17 and 106,829.69 is: 147,424.65
Step by Step Solution
- Step 1: Write the proportion equation
197,473.75 : 272,513.17 = 106,829.69 : x - Step 2: Convert to fraction form
197,473.75/272,513.17 = 106,829.69/x - Step 3: Cross multiply
197,473.75x = 272,513.17 × 106,829.69 - Step 4: Simplify right side
197,473.75x = 29,112,497,472.02 - Step 5: Solve for x
x = 29,112,497,472.02/197,473.75 - Step 6: Final answer
x = 147,424.65
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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.