Finding the Fourth Proportional to 168,813.44, 253,126.72 and 69,043.68
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Solution
The fourth proportional to 168,813.44, 253,126.72 and 69,043.68 is: 103,527.30
Step by Step Solution
- Step 1: Write the proportion equation
168,813.44 : 253,126.72 = 69,043.68 : x - Step 2: Convert to fraction form
168,813.44/253,126.72 = 69,043.68/x - Step 3: Cross multiply
168,813.44x = 253,126.72 × 69,043.68 - Step 4: Simplify right side
168,813.44x = 17,476,800,255.13 - Step 5: Solve for x
x = 17,476,800,255.13/168,813.44 - Step 6: Final answer
x = 103,527.30
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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.