Finding the Fourth Proportional to 160,274.25, 221,164.68 and 88,636.44
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Solution
The fourth proportional to 160,274.25, 221,164.68 and 88,636.44 is: 122,310.66
Step by Step Solution
- Step 1: Write the proportion equation
160,274.25 : 221,164.68 = 88,636.44 : x - Step 2: Convert to fraction form
160,274.25/221,164.68 = 88,636.44/x - Step 3: Cross multiply
160,274.25x = 221,164.68 × 88,636.44 - Step 4: Simplify right side
160,274.25x = 19,603,248,783.12 - Step 5: Solve for x
x = 19,603,248,783.12/160,274.25 - Step 6: Final answer
x = 122,310.66
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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.