Finding the Fourth Proportional to 534,629.94, 737,809.66 and 305,224.58
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Solution
The fourth proportional to 534,629.94, 737,809.66 and 305,224.58 is: 421,221.53
Step by Step Solution
- Step 1: Write the proportion equation
534,629.94 : 737,809.66 = 305,224.58 : x - Step 2: Convert to fraction form
534,629.94/737,809.66 = 305,224.58/x - Step 3: Cross multiply
534,629.94x = 737,809.66 × 305,224.58 - Step 4: Simplify right side
534,629.94x = 225,197,643,593.44 - Step 5: Solve for x
x = 225,197,643,593.44/534,629.94 - Step 6: Final answer
x = 421,221.53
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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.