Finding the Fourth Proportional to 132,324.14, 198,497.14 and 42,379.98
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Solution
The fourth proportional to 132,324.14, 198,497.14 and 42,379.98 is: 63,573.47
Step by Step Solution
- Step 1: Write the proportion equation
132,324.14 : 198,497.14 = 42,379.98 : x - Step 2: Convert to fraction form
132,324.14/198,497.14 = 42,379.98/x - Step 3: Cross multiply
132,324.14x = 198,497.14 × 42,379.98 - Step 4: Simplify right side
132,324.14x = 8,412,304,823.26 - Step 5: Solve for x
x = 8,412,304,823.26/132,324.14 - Step 6: Final answer
x = 63,573.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.