Finding the Fourth Proportional to 203,585.11, 280,947.79 and 112,941.08
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Solution
The fourth proportional to 203,585.11, 280,947.79 and 112,941.08 is: 155,858.87
Step by Step Solution
- Step 1: Write the proportion equation
203,585.11 : 280,947.79 = 112,941.08 : x - Step 2: Convert to fraction form
203,585.11/280,947.79 = 112,941.08/x - Step 3: Cross multiply
203,585.11x = 280,947.79 × 112,941.08 - Step 4: Simplify right side
203,585.11x = 31,730,546,616.20 - Step 5: Solve for x
x = 31,730,546,616.20/203,585.11 - Step 6: Final answer
x = 155,858.87
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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.