Finding the Fourth Proportional to 160,400.24, 221,344.40 and 91,492.40
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Solution
The fourth proportional to 160,400.24, 221,344.40 and 91,492.40 is: 126,254.99
Step by Step Solution
- Step 1: Write the proportion equation
160,400.24 : 221,344.40 = 91,492.40 : x - Step 2: Convert to fraction form
160,400.24/221,344.40 = 91,492.40/x - Step 3: Cross multiply
160,400.24x = 221,344.40 × 91,492.40 - Step 4: Simplify right side
160,400.24x = 20,251,330,382.56 - Step 5: Solve for x
x = 20,251,330,382.56/160,400.24 - Step 6: Final answer
x = 126,254.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.