Finding the Fourth Proportional to 189,125.66, 260,993.94 and 104,243.06
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Solution
The fourth proportional to 189,125.66, 260,993.94 and 104,243.06 is: 143,855.71
Step by Step Solution
- Step 1: Write the proportion equation
189,125.66 : 260,993.94 = 104,243.06 : x - Step 2: Convert to fraction form
189,125.66/260,993.94 = 104,243.06/x - Step 3: Cross multiply
189,125.66x = 260,993.94 × 104,243.06 - Step 4: Simplify right side
189,125.66x = 27,206,806,947.06 - Step 5: Solve for x
x = 27,206,806,947.06/189,125.66 - Step 6: Final answer
x = 143,855.71
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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.