Finding the Fourth Proportional to 194,432.00, 291,688.70 and 82,112.54
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Solution
The fourth proportional to 194,432.00, 291,688.70 and 82,112.54 is: 123,185.99
Step by Step Solution
- Step 1: Write the proportion equation
194,432.00 : 291,688.70 = 82,112.54 : x - Step 2: Convert to fraction form
194,432.00/291,688.70 = 82,112.54/x - Step 3: Cross multiply
194,432.00x = 291,688.70 × 82,112.54 - Step 4: Simplify right side
194,432.00x = 23,951,298,177.29 - Step 5: Solve for x
x = 23,951,298,177.29/194,432.00 - Step 6: Final answer
x = 123,185.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.