Finding the Fourth Proportional to 669,593.42, 1,004,441.44 and 189,813.18
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Solution
The fourth proportional to 669,593.42, 1,004,441.44 and 189,813.18 is: 284,734.32
Step by Step Solution
- Step 1: Write the proportion equation
669,593.42 : 1,004,441.44 = 189,813.18 : x - Step 2: Convert to fraction form
669,593.42/1,004,441.44 = 189,813.18/x - Step 3: Cross multiply
669,593.42x = 1,004,441.44 × 189,813.18 - Step 4: Simplify right side
669,593.42x = 190,656,223,850.18 - Step 5: Solve for x
x = 190,656,223,850.18/669,593.42 - Step 6: Final answer
x = 284,734.32
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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.