Finding the Fourth Proportional to 207,603.32, 311,448.80 and 67,351.08
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Solution
The fourth proportional to 207,603.32, 311,448.80 and 67,351.08 is: 101,040.84
Step by Step Solution
- Step 1: Write the proportion equation
207,603.32 : 311,448.80 = 67,351.08 : x - Step 2: Convert to fraction form
207,603.32/311,448.80 = 67,351.08/x - Step 3: Cross multiply
207,603.32x = 311,448.80 × 67,351.08 - Step 4: Simplify right side
207,603.32x = 20,976,413,044.70 - Step 5: Solve for x
x = 20,976,413,044.70/207,603.32 - Step 6: Final answer
x = 101,040.84
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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.