Finding the Fourth Proportional to 189,543.80, 284,315.70 and 96,231.80
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Solution
The fourth proportional to 189,543.80, 284,315.70 and 96,231.80 is: 144,347.70
Step by Step Solution
- Step 1: Write the proportion equation
189,543.80 : 284,315.70 = 96,231.80 : x - Step 2: Convert to fraction form
189,543.80/284,315.70 = 96,231.80/x - Step 3: Cross multiply
189,543.80x = 284,315.70 × 96,231.80 - Step 4: Simplify right side
189,543.80x = 27,360,211,579.26 - Step 5: Solve for x
x = 27,360,211,579.26/189,543.80 - Step 6: Final answer
x = 144,347.70
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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.