Finding the Fourth Proportional to 197,419.05, 272,437.23 and 106,774.92
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Solution
The fourth proportional to 197,419.05, 272,437.23 and 106,774.92 is: 147,348.82
Step by Step Solution
- Step 1: Write the proportion equation
197,419.05 : 272,437.23 = 106,774.92 : x - Step 2: Convert to fraction form
197,419.05/272,437.23 = 106,774.92/x - Step 3: Cross multiply
197,419.05x = 272,437.23 × 106,774.92 - Step 4: Simplify right side
197,419.05x = 29,089,463,438.27 - Step 5: Solve for x
x = 29,089,463,438.27/197,419.05 - Step 6: Final answer
x = 147,348.82
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1.5x scale
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.