Finding the Fourth Proportional to 189,089.58, 260,943.75 and 104,206.44
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Solution
The fourth proportional to 189,089.58, 260,943.75 and 104,206.44 is: 143,804.96
Step by Step Solution
- Step 1: Write the proportion equation
189,089.58 : 260,943.75 = 104,206.44 : x - Step 2: Convert to fraction form
189,089.58/260,943.75 = 104,206.44/x - Step 3: Cross multiply
189,089.58x = 260,943.75 × 104,206.44 - Step 4: Simplify right side
189,089.58x = 27,192,019,227.75 - Step 5: Solve for x
x = 27,192,019,227.75/189,089.58 - Step 6: Final answer
x = 143,804.96
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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.