Finding the Fourth Proportional to 197,455.91, 272,205.74 and 140,768.87
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Solution
The fourth proportional to 197,455.91, 272,205.74 and 140,768.87 is: 194,058.99
Step by Step Solution
- Step 1: Write the proportion equation
197,455.91 : 272,205.74 = 140,768.87 : x - Step 2: Convert to fraction form
197,455.91/272,205.74 = 140,768.87/x - Step 3: Cross multiply
197,455.91x = 272,205.74 × 140,768.87 - Step 4: Simplify right side
197,455.91x = 38,318,093,723.47 - Step 5: Solve for x
x = 38,318,093,723.47/197,455.91 - Step 6: Final answer
x = 194,058.99
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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.