Finding the Fourth Proportional to 208,509.24, 312,782.25 and 58,750.80
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Solution
The fourth proportional to 208,509.24, 312,782.25 and 58,750.80 is: 88,131.38
Step by Step Solution
- Step 1: Write the proportion equation
208,509.24 : 312,782.25 = 58,750.80 : x - Step 2: Convert to fraction form
208,509.24/312,782.25 = 58,750.80/x - Step 3: Cross multiply
208,509.24x = 312,782.25 × 58,750.80 - Step 4: Simplify right side
208,509.24x = 18,376,207,413.30 - Step 5: Solve for x
x = 18,376,207,413.30/208,509.24 - Step 6: Final answer
x = 88,131.38
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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.