Finding the Fourth Proportional to 409,722.64, 565,216.26 and 273,789.96
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Solution
The fourth proportional to 409,722.64, 565,216.26 and 273,789.96 is: 377,695.84
Step by Step Solution
- Step 1: Write the proportion equation
409,722.64 : 565,216.26 = 273,789.96 : x - Step 2: Convert to fraction form
409,722.64/565,216.26 = 273,789.96/x - Step 3: Cross multiply
409,722.64x = 565,216.26 × 273,789.96 - Step 4: Simplify right side
409,722.64x = 154,750,537,216.75 - Step 5: Solve for x
x = 154,750,537,216.75/409,722.64 - Step 6: Final answer
x = 377,695.84
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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.