Finding the Fourth Proportional to 189,754.06, 284,677.80 and 133,703.63
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Solution
The fourth proportional to 189,754.06, 284,677.80 and 133,703.63 is: 200,588.35
Step by Step Solution
- Step 1: Write the proportion equation
189,754.06 : 284,677.80 = 133,703.63 : x - Step 2: Convert to fraction form
189,754.06/284,677.80 = 133,703.63/x - Step 3: Cross multiply
189,754.06x = 284,677.80 × 133,703.63 - Step 4: Simplify right side
189,754.06x = 38,062,453,817.03 - Step 5: Solve for x
x = 38,062,453,817.03/189,754.06 - Step 6: Final answer
x = 200,588.35
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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.