Finding the Fourth Proportional to 180,361.08, 270,541.36 and 72,339.18
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Solution
The fourth proportional to 180,361.08, 270,541.36 and 72,339.18 is: 108,508.67
Step by Step Solution
- Step 1: Write the proportion equation
180,361.08 : 270,541.36 = 72,339.18 : x - Step 2: Convert to fraction form
180,361.08/270,541.36 = 72,339.18/x - Step 3: Cross multiply
180,361.08x = 270,541.36 × 72,339.18 - Step 4: Simplify right side
180,361.08x = 19,570,740,138.48 - Step 5: Solve for x
x = 19,570,740,138.48/180,361.08 - Step 6: Final answer
x = 108,508.67
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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.