Finding the Fourth Proportional to 197,419.55, 272,438.17 and 106,775.62
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Solution
The fourth proportional to 197,419.55, 272,438.17 and 106,775.62 is: 147,349.92
Step by Step Solution
- Step 1: Write the proportion equation
197,419.55 : 272,438.17 = 106,775.62 : x - Step 2: Convert to fraction form
197,419.55/272,438.17 = 106,775.62/x - Step 3: Cross multiply
197,419.55x = 272,438.17 × 106,775.62 - Step 4: Simplify right side
197,419.55x = 29,089,754,513.42 - Step 5: Solve for x
x = 29,089,754,513.42/197,419.55 - Step 6: Final answer
x = 147,349.92
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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.