Finding the Fourth Proportional to 276,685.20, 415,027.80 and 227,477.70
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Solution
The fourth proportional to 276,685.20, 415,027.80 and 227,477.70 is: 341,216.55
Step by Step Solution
- Step 1: Write the proportion equation
276,685.20 : 415,027.80 = 227,477.70 : x - Step 2: Convert to fraction form
276,685.20/415,027.80 = 227,477.70/x - Step 3: Cross multiply
276,685.20x = 415,027.80 × 227,477.70 - Step 4: Simplify right side
276,685.20x = 94,409,569,380.06 - Step 5: Solve for x
x = 94,409,569,380.06/276,685.20 - Step 6: Final answer
x = 341,216.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.