Finding the Fourth Proportional to 217,353.87, 299,845.06 and 144,790.50
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Solution
The fourth proportional to 217,353.87, 299,845.06 and 144,790.50 is: 199,742.08
Step by Step Solution
- Step 1: Write the proportion equation
217,353.87 : 299,845.06 = 144,790.50 : x - Step 2: Convert to fraction form
217,353.87/299,845.06 = 144,790.50/x - Step 3: Cross multiply
217,353.87x = 299,845.06 × 144,790.50 - Step 4: Simplify right side
217,353.87x = 43,414,713,936.75 - Step 5: Solve for x
x = 43,414,713,936.75/217,353.87 - Step 6: Final answer
x = 199,742.08
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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.