Finding the Fourth Proportional to 568,715.76, 852,986.16 and 189,643.08
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Solution
The fourth proportional to 568,715.76, 852,986.16 and 189,643.08 is: 284,435.45
Step by Step Solution
- Step 1: Write the proportion equation
568,715.76 : 852,986.16 = 189,643.08 : x - Step 2: Convert to fraction form
568,715.76/852,986.16 = 189,643.08/x - Step 3: Cross multiply
568,715.76x = 852,986.16 × 189,643.08 - Step 4: Simplify right side
568,715.76x = 161,762,922,579.77 - Step 5: Solve for x
x = 161,762,922,579.77/568,715.76 - Step 6: Final answer
x = 284,435.45
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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.