Finding the Fourth Proportional to 203,037.05, 280,187.73 and 112,391.08
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Solution
The fourth proportional to 203,037.05, 280,187.73 and 112,391.08 is: 155,097.80
Step by Step Solution
- Step 1: Write the proportion equation
203,037.05 : 280,187.73 = 112,391.08 : x - Step 2: Convert to fraction form
203,037.05/280,187.73 = 112,391.08/x - Step 3: Cross multiply
203,037.05x = 280,187.73 × 112,391.08 - Step 4: Simplify right side
203,037.05x = 31,490,600,876.98 - Step 5: Solve for x
x = 31,490,600,876.98/203,037.05 - Step 6: Final answer
x = 155,097.80
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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.