Finding the Fourth Proportional to 189,957.19, 260,768.22 and 163,052.99
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Solution
The fourth proportional to 189,957.19, 260,768.22 and 163,052.99 is: 223,834.84
Step by Step Solution
- Step 1: Write the proportion equation
189,957.19 : 260,768.22 = 163,052.99 : x - Step 2: Convert to fraction form
189,957.19/260,768.22 = 163,052.99/x - Step 3: Cross multiply
189,957.19x = 260,768.22 × 163,052.99 - Step 4: Simplify right side
189,957.19x = 42,519,037,152.71 - Step 5: Solve for x
x = 42,519,037,152.71/189,957.19 - Step 6: Final answer
x = 223,834.84
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.