Finding the Fourth Proportional to 400,825.63, 601,293.80 and 134,662.26
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Solution
The fourth proportional to 400,825.63, 601,293.80 and 134,662.26 is: 202,011.99
Step by Step Solution
- Step 1: Write the proportion equation
400,825.63 : 601,293.80 = 134,662.26 : x - Step 2: Convert to fraction form
400,825.63/601,293.80 = 134,662.26/x - Step 3: Cross multiply
400,825.63x = 601,293.80 × 134,662.26 - Step 4: Simplify right side
400,825.63x = 80,971,582,031.99 - Step 5: Solve for x
x = 80,971,582,031.99/400,825.63 - Step 6: Final answer
x = 202,011.99
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1.5x scale
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.