Finding the Fourth Proportional to 428,847.24, 591,880.05 and 237,922.14
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Solution
The fourth proportional to 428,847.24, 591,880.05 and 237,922.14 is: 328,371.87
Step by Step Solution
- Step 1: Write the proportion equation
428,847.24 : 591,880.05 = 237,922.14 : x - Step 2: Convert to fraction form
428,847.24/591,880.05 = 237,922.14/x - Step 3: Cross multiply
428,847.24x = 591,880.05 × 237,922.14 - Step 4: Simplify right side
428,847.24x = 140,821,368,119.31 - Step 5: Solve for x
x = 140,821,368,119.31/428,847.24 - Step 6: Final answer
x = 328,371.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.