Finding the Fourth Proportional to 291,493.62, 402,361.97 and 170,673.75
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Solution
The fourth proportional to 291,493.62, 402,361.97 and 170,673.75 is: 235,588.78
Step by Step Solution
- Step 1: Write the proportion equation
291,493.62 : 402,361.97 = 170,673.75 : x - Step 2: Convert to fraction form
291,493.62/402,361.97 = 170,673.75/x - Step 3: Cross multiply
291,493.62x = 402,361.97 × 170,673.75 - Step 4: Simplify right side
291,493.62x = 68,672,625,423.92 - Step 5: Solve for x
x = 68,672,625,423.92/291,493.62 - Step 6: Final answer
x = 235,588.78
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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.