Finding the Fourth Proportional to 194,887.08, 268,944.02 and 105,463.08
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Solution
The fourth proportional to 194,887.08, 268,944.02 and 105,463.08 is: 145,538.97
Step by Step Solution
- Step 1: Write the proportion equation
194,887.08 : 268,944.02 = 105,463.08 : x - Step 2: Convert to fraction form
194,887.08/268,944.02 = 105,463.08/x - Step 3: Cross multiply
194,887.08x = 268,944.02 × 105,463.08 - Step 4: Simplify right side
194,887.08x = 28,363,664,696.78 - Step 5: Solve for x
x = 28,363,664,696.78/194,887.08 - Step 6: Final answer
x = 145,538.97
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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.