Finding the Fourth Proportional to 189,955.08, 284,975.82 and 101,161.80
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Solution
The fourth proportional to 189,955.08, 284,975.82 and 101,161.80 is: 151,765.71
Step by Step Solution
- Step 1: Write the proportion equation
189,955.08 : 284,975.82 = 101,161.80 : x - Step 2: Convert to fraction form
189,955.08/284,975.82 = 101,161.80/x - Step 3: Cross multiply
189,955.08x = 284,975.82 × 101,161.80 - Step 4: Simplify right side
189,955.08x = 28,828,666,907.68 - Step 5: Solve for x
x = 28,828,666,907.68/189,955.08 - Step 6: Final answer
x = 151,765.71
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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.