Finding the Fourth Proportional to 160,618.93, 221,648.14 and 92,638.75
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Solution
The fourth proportional to 160,618.93, 221,648.14 and 92,638.75 is: 127,838.02
Step by Step Solution
- Step 1: Write the proportion equation
160,618.93 : 221,648.14 = 92,638.75 : x - Step 2: Convert to fraction form
160,618.93/221,648.14 = 92,638.75/x - Step 3: Cross multiply
160,618.93x = 221,648.14 × 92,638.75 - Step 4: Simplify right side
160,618.93x = 20,533,206,629.43 - Step 5: Solve for x
x = 20,533,206,629.43/160,618.93 - Step 6: Final answer
x = 127,838.02
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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.