Finding the Fourth Proportional to 189,340.29, 261,376.57 and 163,395.63
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Solution
The fourth proportional to 189,340.29, 261,376.57 and 163,395.63 is: 225,561.02
Step by Step Solution
- Step 1: Write the proportion equation
189,340.29 : 261,376.57 = 163,395.63 : x - Step 2: Convert to fraction form
189,340.29/261,376.57 = 163,395.63/x - Step 3: Cross multiply
189,340.29x = 261,376.57 × 163,395.63 - Step 4: Simplify right side
189,340.29x = 42,707,789,526.63 - Step 5: Solve for x
x = 42,707,789,526.63/189,340.29 - Step 6: Final answer
x = 225,561.02
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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.