Finding the Fourth Proportional to 132,982.14, 199,306.62 and 66,440.82
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Solution
The fourth proportional to 132,982.14, 199,306.62 and 66,440.82 is: 99,578.00
Step by Step Solution
- Step 1: Write the proportion equation
132,982.14 : 199,306.62 = 66,440.82 : x - Step 2: Convert to fraction form
132,982.14/199,306.62 = 66,440.82/x - Step 3: Cross multiply
132,982.14x = 199,306.62 × 66,440.82 - Step 4: Simplify right side
132,982.14x = 13,242,095,264.23 - Step 5: Solve for x
x = 13,242,095,264.23/132,982.14 - Step 6: Final answer
x = 99,578.00
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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.