Finding the Fourth Proportional to 189,974.84, 285,288.27 and 168,675.69
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Solution
The fourth proportional to 189,974.84, 285,288.27 and 168,675.69 is: 253,302.99
Step by Step Solution
- Step 1: Write the proportion equation
189,974.84 : 285,288.27 = 168,675.69 : x - Step 2: Convert to fraction form
189,974.84/285,288.27 = 168,675.69/x - Step 3: Cross multiply
189,974.84x = 285,288.27 × 168,675.69 - Step 4: Simplify right side
189,974.84x = 48,121,195,900.48 - Step 5: Solve for x
x = 48,121,195,900.48/189,974.84 - Step 6: Final answer
x = 253,302.99
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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.