Finding the Fourth Proportional to 197,648.58, 272,793.70 and 154,542.82
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Solution
The fourth proportional to 197,648.58, 272,793.70 and 154,542.82 is: 213,299.32
Step by Step Solution
- Step 1: Write the proportion equation
197,648.58 : 272,793.70 = 154,542.82 : x - Step 2: Convert to fraction form
197,648.58/272,793.70 = 154,542.82/x - Step 3: Cross multiply
197,648.58x = 272,793.70 × 154,542.82 - Step 4: Simplify right side
197,648.58x = 42,158,307,676.23 - Step 5: Solve for x
x = 42,158,307,676.23/197,648.58 - Step 6: Final answer
x = 213,299.32
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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.