Finding the Fourth Proportional to 268,756.97, 370,884.68 and 147,898.26
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Solution
The fourth proportional to 268,756.97, 370,884.68 and 147,898.26 is: 204,099.63
Step by Step Solution
- Step 1: Write the proportion equation
268,756.97 : 370,884.68 = 147,898.26 : x - Step 2: Convert to fraction form
268,756.97/370,884.68 = 147,898.26/x - Step 3: Cross multiply
268,756.97x = 370,884.68 × 147,898.26 - Step 4: Simplify right side
268,756.97x = 54,853,196,978.23 - Step 5: Solve for x
x = 54,853,196,978.23/268,756.97 - Step 6: Final answer
x = 204,099.63
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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.