Finding the Fourth Proportional to 191,441.55, 264,195.50 and 105,409.63
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Solution
The fourth proportional to 191,441.55, 264,195.50 and 105,409.63 is: 145,468.68
Step by Step Solution
- Step 1: Write the proportion equation
191,441.55 : 264,195.50 = 105,409.63 : x - Step 2: Convert to fraction form
191,441.55/264,195.50 = 105,409.63/x - Step 3: Cross multiply
191,441.55x = 264,195.50 × 105,409.63 - Step 4: Simplify right side
191,441.55x = 27,848,748,715.13 - Step 5: Solve for x
x = 27,848,748,715.13/191,441.55 - Step 6: Final answer
x = 145,468.68
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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.