Finding the Fourth Proportional to 272,853.09, 409,179.84 and 104,290.07
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Solution
The fourth proportional to 272,853.09, 409,179.84 and 104,290.07 is: 156,396.95
Step by Step Solution
- Step 1: Write the proportion equation
272,853.09 : 409,179.84 = 104,290.07 : x - Step 2: Convert to fraction form
272,853.09/409,179.84 = 104,290.07/x - Step 3: Cross multiply
272,853.09x = 409,179.84 × 104,290.07 - Step 4: Simplify right side
272,853.09x = 42,673,392,110.29 - Step 5: Solve for x
x = 42,673,392,110.29/272,853.09 - Step 6: Final answer
x = 156,396.95
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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.