Finding the Fourth Proportional to 669,436.84, 1,004,325.36 and 189,664.12
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Solution
The fourth proportional to 669,436.84, 1,004,325.36 and 189,664.12 is: 284,544.37
Step by Step Solution
- Step 1: Write the proportion equation
669,436.84 : 1,004,325.36 = 189,664.12 : x - Step 2: Convert to fraction form
669,436.84/1,004,325.36 = 189,664.12/x - Step 3: Cross multiply
669,436.84x = 1,004,325.36 × 189,664.12 - Step 4: Simplify right side
669,436.84x = 190,484,485,598.08 - Step 5: Solve for x
x = 190,484,485,598.08/669,436.84 - Step 6: Final answer
x = 284,544.37
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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.