Finding the Fourth Proportional to 273,201.67, 409,802.51 and 86,227.75
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Solution
The fourth proportional to 273,201.67, 409,802.51 and 86,227.75 is: 129,341.63
Step by Step Solution
- Step 1: Write the proportion equation
273,201.67 : 409,802.51 = 86,227.75 : x - Step 2: Convert to fraction form
273,201.67/409,802.51 = 86,227.75/x - Step 3: Cross multiply
273,201.67x = 409,802.51 × 86,227.75 - Step 4: Simplify right side
273,201.67x = 35,336,348,381.65 - Step 5: Solve for x
x = 35,336,348,381.65/273,201.67 - Step 6: Final answer
x = 129,341.63
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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.