Finding the Fourth Proportional to 189,369.21, 284,053.48 and 110,428.08
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Solution
The fourth proportional to 189,369.21, 284,053.48 and 110,428.08 is: 165,641.91
Step by Step Solution
- Step 1: Write the proportion equation
189,369.21 : 284,053.48 = 110,428.08 : x - Step 2: Convert to fraction form
189,369.21/284,053.48 = 110,428.08/x - Step 3: Cross multiply
189,369.21x = 284,053.48 × 110,428.08 - Step 4: Simplify right side
189,369.21x = 31,367,479,072.45 - Step 5: Solve for x
x = 31,367,479,072.45/189,369.21 - Step 6: Final answer
x = 165,641.91
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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.