Finding the Fourth Proportional to 268,953.20, 370,880.36 and 178,277.68
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Solution
The fourth proportional to 268,953.20, 370,880.36 and 178,277.68 is: 245,840.88
Step by Step Solution
- Step 1: Write the proportion equation
268,953.20 : 370,880.36 = 178,277.68 : x - Step 2: Convert to fraction form
268,953.20/370,880.36 = 178,277.68/x - Step 3: Cross multiply
268,953.20x = 370,880.36 × 178,277.68 - Step 4: Simplify right side
268,953.20x = 66,119,690,138.36 - Step 5: Solve for x
x = 66,119,690,138.36/268,953.20 - Step 6: Final answer
x = 245,840.88
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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.