Finding the Fourth Proportional to 160,549.41, 221,558.21 and 88,934.07
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Solution
The fourth proportional to 160,549.41, 221,558.21 and 88,934.07 is: 122,729.03
Step by Step Solution
- Step 1: Write the proportion equation
160,549.41 : 221,558.21 = 88,934.07 : x - Step 2: Convert to fraction form
160,549.41/221,558.21 = 88,934.07/x - Step 3: Cross multiply
160,549.41x = 221,558.21 × 88,934.07 - Step 4: Simplify right side
160,549.41x = 19,704,072,912.54 - Step 5: Solve for x
x = 19,704,072,912.54/160,549.41 - Step 6: Final answer
x = 122,729.03
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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.