Finding the Fourth Proportional to 160,197.10, 221,068.08 and 88,575.28
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Solution
The fourth proportional to 160,197.10, 221,068.08 and 88,575.28 is: 122,231.72
Step by Step Solution
- Step 1: Write the proportion equation
160,197.10 : 221,068.08 = 88,575.28 : x - Step 2: Convert to fraction form
160,197.10/221,068.08 = 88,575.28/x - Step 3: Cross multiply
160,197.10x = 221,068.08 × 88,575.28 - Step 4: Simplify right side
160,197.10x = 19,581,167,085.06 - Step 5: Solve for x
x = 19,581,167,085.06/160,197.10 - Step 6: Final answer
x = 122,231.72
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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.