Finding the Fourth Proportional to 180,334.76, 270,526.76 and 75,129.12
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Solution
The fourth proportional to 180,334.76, 270,526.76 and 75,129.12 is: 112,703.94
Step by Step Solution
- Step 1: Write the proportion equation
180,334.76 : 270,526.76 = 75,129.12 : x - Step 2: Convert to fraction form
180,334.76/270,526.76 = 75,129.12/x - Step 3: Cross multiply
180,334.76x = 270,526.76 × 75,129.12 - Step 4: Simplify right side
180,334.76x = 20,324,437,415.25 - Step 5: Solve for x
x = 20,324,437,415.25/180,334.76 - Step 6: Final answer
x = 112,703.94
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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.