Finding the Fourth Proportional to 985,375.08, 1,478,063.88 and 237,421.08
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Solution
The fourth proportional to 985,375.08, 1,478,063.88 and 237,421.08 is: 356,131.92
Step by Step Solution
- Step 1: Write the proportion equation
985,375.08 : 1,478,063.88 = 237,421.08 : x - Step 2: Convert to fraction form
985,375.08/1,478,063.88 = 237,421.08/x - Step 3: Cross multiply
985,375.08x = 1,478,063.88 × 237,421.08 - Step 4: Simplify right side
985,375.08x = 350,923,522,698.59 - Step 5: Solve for x
x = 350,923,522,698.59/985,375.08 - Step 6: Final answer
x = 356,131.92
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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.