Finding the Fourth Proportional to 304,944.68, 420,817.36 and 168,977.44
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Solution
The fourth proportional to 304,944.68, 420,817.36 and 168,977.44 is: 233,185.38
Step by Step Solution
- Step 1: Write the proportion equation
304,944.68 : 420,817.36 = 168,977.44 : x - Step 2: Convert to fraction form
304,944.68/420,817.36 = 168,977.44/x - Step 3: Cross multiply
304,944.68x = 420,817.36 × 168,977.44 - Step 4: Simplify right side
304,944.68x = 71,108,640,200.36 - Step 5: Solve for x
x = 71,108,640,200.36/304,944.68 - Step 6: Final answer
x = 233,185.38
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1.5x scale
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.