Finding the Fourth Proportional to 268,232.20, 401,765.10 and 162,867.40
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Solution
The fourth proportional to 268,232.20, 401,765.10 and 162,867.40 is: 243,946.99
Step by Step Solution
- Step 1: Write the proportion equation
268,232.20 : 401,765.10 = 162,867.40 : x - Step 2: Convert to fraction form
268,232.20/401,765.10 = 162,867.40/x - Step 3: Cross multiply
268,232.20x = 401,765.10 × 162,867.40 - Step 4: Simplify right side
268,232.20x = 65,434,437,247.74 - Step 5: Solve for x
x = 65,434,437,247.74/268,232.20 - Step 6: Final answer
x = 243,946.99
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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.