Finding the Fourth Proportional to 180,140.79, 270,380.48 and 91,457.94
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Solution
The fourth proportional to 180,140.79, 270,380.48 and 91,457.94 is: 137,272.86
Step by Step Solution
- Step 1: Write the proportion equation
180,140.79 : 270,380.48 = 91,457.94 : x - Step 2: Convert to fraction form
180,140.79/270,380.48 = 91,457.94/x - Step 3: Cross multiply
180,140.79x = 270,380.48 × 91,457.94 - Step 4: Simplify right side
180,140.79x = 24,728,441,259.72 - Step 5: Solve for x
x = 24,728,441,259.72/180,140.79 - Step 6: Final answer
x = 137,272.86
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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.