Finding the Fourth Proportional to 495,170.57, 683,338.22 and 291,230.08
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Solution
The fourth proportional to 495,170.57, 683,338.22 and 291,230.08 is: 401,899.19
Step by Step Solution
- Step 1: Write the proportion equation
495,170.57 : 683,338.22 = 291,230.08 : x - Step 2: Convert to fraction form
495,170.57/683,338.22 = 291,230.08/x - Step 3: Cross multiply
495,170.57x = 683,338.22 × 291,230.08 - Step 4: Simplify right side
495,170.57x = 199,008,647,887.22 - Step 5: Solve for x
x = 199,008,647,887.22/495,170.57 - Step 6: Final answer
x = 401,899.19
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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.