Finding the Fourth Proportional to 980,122.88, 1,470,479.57 and 306,176.96
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Solution
The fourth proportional to 980,122.88, 1,470,479.57 and 306,176.96 is: 459,357.67
Step by Step Solution
- Step 1: Write the proportion equation
980,122.88 : 1,470,479.57 = 306,176.96 : x - Step 2: Convert to fraction form
980,122.88/1,470,479.57 = 306,176.96/x - Step 3: Cross multiply
980,122.88x = 1,470,479.57 × 306,176.96 - Step 4: Simplify right side
980,122.88x = 450,226,967,778.19 - Step 5: Solve for x
x = 450,226,967,778.19/980,122.88 - Step 6: Final answer
x = 459,357.67
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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.