Finding the Fourth Proportional to 189,664.74, 284,399.07 and 69,691.08
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Solution
The fourth proportional to 189,664.74, 284,399.07 and 69,691.08 is: 104,500.60
Step by Step Solution
- Step 1: Write the proportion equation
189,664.74 : 284,399.07 = 69,691.08 : x - Step 2: Convert to fraction form
189,664.74/284,399.07 = 69,691.08/x - Step 3: Cross multiply
189,664.74x = 284,399.07 × 69,691.08 - Step 4: Simplify right side
189,664.74x = 19,820,078,339.30 - Step 5: Solve for x
x = 19,820,078,339.30/189,664.74 - Step 6: Final answer
x = 104,500.60
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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.