Finding the Fourth Proportional to 180,615.68, 270,775.74 and 68,232.12
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Solution
The fourth proportional to 180,615.68, 270,775.74 and 68,232.12 is: 102,292.35
Step by Step Solution
- Step 1: Write the proportion equation
180,615.68 : 270,775.74 = 68,232.12 : x - Step 2: Convert to fraction form
180,615.68/270,775.74 = 68,232.12/x - Step 3: Cross multiply
180,615.68x = 270,775.74 × 68,232.12 - Step 4: Simplify right side
180,615.68x = 18,475,602,784.77 - Step 5: Solve for x
x = 18,475,602,784.77/180,615.68 - Step 6: Final answer
x = 102,292.35
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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.