Finding the Fourth Proportional to 191,487.99, 264,253.82 and 106,608.09
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Solution
The fourth proportional to 191,487.99, 264,253.82 and 106,608.09 is: 147,119.38
Step by Step Solution
- Step 1: Write the proportion equation
191,487.99 : 264,253.82 = 106,608.09 : x - Step 2: Convert to fraction form
191,487.99/264,253.82 = 106,608.09/x - Step 3: Cross multiply
191,487.99x = 264,253.82 × 106,608.09 - Step 4: Simplify right side
191,487.99x = 28,171,594,492.36 - Step 5: Solve for x
x = 28,171,594,492.36/191,487.99 - Step 6: Final answer
x = 147,119.38
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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.