Finding the Fourth Proportional to 160,484.60, 221,466.05 and 88,863.09
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Solution
The fourth proportional to 160,484.60, 221,466.05 and 88,863.09 is: 122,629.56
Step by Step Solution
- Step 1: Write the proportion equation
160,484.60 : 221,466.05 = 88,863.09 : x - Step 2: Convert to fraction form
160,484.60/221,466.05 = 88,863.09/x - Step 3: Cross multiply
160,484.60x = 221,466.05 × 88,863.09 - Step 4: Simplify right side
160,484.60x = 19,680,155,981.45 - Step 5: Solve for x
x = 19,680,155,981.45/160,484.60 - Step 6: Final answer
x = 122,629.56
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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.