Finding the Fourth Proportional to 197,563.15, 272,607.79 and 119,998.42
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Solution
The fourth proportional to 197,563.15, 272,607.79 and 119,998.42 is: 165,579.99
Step by Step Solution
- Step 1: Write the proportion equation
197,563.15 : 272,607.79 = 119,998.42 : x - Step 2: Convert to fraction form
197,563.15/272,607.79 = 119,998.42/x - Step 3: Cross multiply
197,563.15x = 272,607.79 × 119,998.42 - Step 4: Simplify right side
197,563.15x = 32,712,504,079.69 - Step 5: Solve for x
x = 32,712,504,079.69/197,563.15 - Step 6: Final answer
x = 165,579.99
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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.