Finding the Fourth Proportional to 270,362.76, 373,067.94 and 149,487.72
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Solution
The fourth proportional to 270,362.76, 373,067.94 and 149,487.72 is: 206,274.99
Step by Step Solution
- Step 1: Write the proportion equation
270,362.76 : 373,067.94 = 149,487.72 : x - Step 2: Convert to fraction form
270,362.76/373,067.94 = 149,487.72/x - Step 3: Cross multiply
270,362.76x = 373,067.94 × 149,487.72 - Step 4: Simplify right side
270,362.76x = 55,769,075,755.70 - Step 5: Solve for x
x = 55,769,075,755.70/270,362.76 - Step 6: Final answer
x = 206,274.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.