Finding the Fourth Proportional to 197,557.42, 272,629.27 and 106,913.41
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Solution
The fourth proportional to 197,557.42, 272,629.27 and 106,913.41 is: 147,540.52
Step by Step Solution
- Step 1: Write the proportion equation
197,557.42 : 272,629.27 = 106,913.41 : x - Step 2: Convert to fraction form
197,557.42/272,629.27 = 106,913.41/x - Step 3: Cross multiply
197,557.42x = 272,629.27 × 106,913.41 - Step 4: Simplify right side
197,557.42x = 29,147,724,839.66 - Step 5: Solve for x
x = 29,147,724,839.66/197,557.42 - Step 6: Final answer
x = 147,540.52
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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.