Finding the Fourth Proportional to 455,965.09, 629,232.43 and 262,368.94
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Solution
The fourth proportional to 455,965.09, 629,232.43 and 262,368.94 is: 362,069.49
Step by Step Solution
- Step 1: Write the proportion equation
455,965.09 : 629,232.43 = 262,368.94 : x - Step 2: Convert to fraction form
455,965.09/629,232.43 = 262,368.94/x - Step 3: Cross multiply
455,965.09x = 629,232.43 × 262,368.94 - Step 4: Simplify right side
455,965.09x = 165,091,045,672.72 - Step 5: Solve for x
x = 165,091,045,672.72/455,965.09 - Step 6: Final answer
x = 362,069.49
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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.