Finding the Fourth Proportional to 202,381.24, 303,543.33 and 127,272.40
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Solution
The fourth proportional to 202,381.24, 303,543.33 and 127,272.40 is: 190,890.66
Step by Step Solution
- Step 1: Write the proportion equation
202,381.24 : 303,543.33 = 127,272.40 : x - Step 2: Convert to fraction form
202,381.24/303,543.33 = 127,272.40/x - Step 3: Cross multiply
202,381.24x = 303,543.33 × 127,272.40 - Step 4: Simplify right side
202,381.24x = 38,632,688,113.09 - Step 5: Solve for x
x = 38,632,688,113.09/202,381.24 - Step 6: Final answer
x = 190,890.66
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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.