Finding the Fourth Proportional to 409,861.94, 565,608.38 and 228,574.08
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Solution
The fourth proportional to 409,861.94, 565,608.38 and 228,574.08 is: 315,431.62
Step by Step Solution
- Step 1: Write the proportion equation
409,861.94 : 565,608.38 = 228,574.08 : x - Step 2: Convert to fraction form
409,861.94/565,608.38 = 228,574.08/x - Step 3: Cross multiply
409,861.94x = 565,608.38 × 228,574.08 - Step 4: Simplify right side
409,861.94x = 129,283,413,955.92 - Step 5: Solve for x
x = 129,283,413,955.92/409,861.94 - Step 6: Final answer
x = 315,431.62
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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.