Finding the Fourth Proportional to 160,465.66, 221,449.53 and 88,845.68
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Solution
The fourth proportional to 160,465.66, 221,449.53 and 88,845.68 is: 122,610.86
Step by Step Solution
- Step 1: Write the proportion equation
160,465.66 : 221,449.53 = 88,845.68 : x - Step 2: Convert to fraction form
160,465.66/221,449.53 = 88,845.68/x - Step 3: Cross multiply
160,465.66x = 221,449.53 × 88,845.68 - Step 4: Simplify right side
160,465.66x = 19,674,832,527.05 - Step 5: Solve for x
x = 19,674,832,527.05/160,465.66 - Step 6: Final answer
x = 122,610.86
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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.