Finding the Fourth Proportional to 291,977.28, 403,028.96 and 171,157.44
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Solution
The fourth proportional to 291,977.28, 403,028.96 and 171,157.44 is: 236,256.07
Step by Step Solution
- Step 1: Write the proportion equation
291,977.28 : 403,028.96 = 171,157.44 : x - Step 2: Convert to fraction form
291,977.28/403,028.96 = 171,157.44/x - Step 3: Cross multiply
291,977.28x = 403,028.96 × 171,157.44 - Step 4: Simplify right side
291,977.28x = 68,981,405,039.46 - Step 5: Solve for x
x = 68,981,405,039.46/291,977.28 - Step 6: Final answer
x = 236,256.07
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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.