Finding the Fourth Proportional to 189,071.68, 283,340.16 and 104,868.94
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Solution
The fourth proportional to 189,071.68, 283,340.16 and 104,868.94 is: 157,155.12
Step by Step Solution
- Step 1: Write the proportion equation
189,071.68 : 283,340.16 = 104,868.94 : x - Step 2: Convert to fraction form
189,071.68/283,340.16 = 104,868.94/x - Step 3: Cross multiply
189,071.68x = 283,340.16 × 104,868.94 - Step 4: Simplify right side
189,071.68x = 29,713,582,238.63 - Step 5: Solve for x
x = 29,713,582,238.63/189,071.68 - Step 6: Final answer
x = 157,155.12
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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.