Finding the Fourth Proportional to 160,247.92, 221,122.94 and 88,618.20
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Solution
The fourth proportional to 160,247.92, 221,122.94 and 88,618.20 is: 122,282.50
Step by Step Solution
- Step 1: Write the proportion equation
160,247.92 : 221,122.94 = 88,618.20 : x - Step 2: Convert to fraction form
160,247.92/221,122.94 = 88,618.20/x - Step 3: Cross multiply
160,247.92x = 221,122.94 × 88,618.20 - Step 4: Simplify right side
160,247.92x = 19,595,516,921.51 - Step 5: Solve for x
x = 19,595,516,921.51/160,247.92 - Step 6: Final answer
x = 122,282.50
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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.