Finding the Fourth Proportional to 160,546.34, 221,551.50 and 87,948.68
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Solution
The fourth proportional to 160,546.34, 221,551.50 and 87,948.68 is: 121,367.84
Step by Step Solution
- Step 1: Write the proportion equation
160,546.34 : 221,551.50 = 87,948.68 : x - Step 2: Convert to fraction form
160,546.34/221,551.50 = 87,948.68/x - Step 3: Cross multiply
160,546.34x = 221,551.50 × 87,948.68 - Step 4: Simplify right side
160,546.34x = 19,485,161,977.02 - Step 5: Solve for x
x = 19,485,161,977.02/160,546.34 - Step 6: Final answer
x = 121,367.84
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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.