Finding the Fourth Proportional to 409,832.73, 565,571.64 and 228,556.14
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Solution
The fourth proportional to 409,832.73, 565,571.64 and 228,556.14 is: 315,408.85
Step by Step Solution
- Step 1: Write the proportion equation
409,832.73 : 565,571.64 = 228,556.14 : x - Step 2: Convert to fraction form
409,832.73/565,571.64 = 228,556.14/x - Step 3: Cross multiply
409,832.73x = 565,571.64 × 228,556.14 - Step 4: Simplify right side
409,832.73x = 129,264,870,931.87 - Step 5: Solve for x
x = 129,264,870,931.87/409,832.73 - Step 6: Final answer
x = 315,408.85
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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.