Finding the Fourth Proportional to 197,243.28, 272,195.76 and 106,598.94
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Solution
The fourth proportional to 197,243.28, 272,195.76 and 106,598.94 is: 147,106.56
Step by Step Solution
- Step 1: Write the proportion equation
197,243.28 : 272,195.76 = 106,598.94 : x - Step 2: Convert to fraction form
197,243.28/272,195.76 = 106,598.94/x - Step 3: Cross multiply
197,243.28x = 272,195.76 × 106,598.94 - Step 4: Simplify right side
197,243.28x = 29,015,779,488.49 - Step 5: Solve for x
x = 29,015,779,488.49/197,243.28 - Step 6: Final answer
x = 147,106.56
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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.