Finding the Fourth Proportional to 160,604.36, 221,635.78 and 88,985.52
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Solution
The fourth proportional to 160,604.36, 221,635.78 and 88,985.52 is: 122,800.99
Step by Step Solution
- Step 1: Write the proportion equation
160,604.36 : 221,635.78 = 88,985.52 : x - Step 2: Convert to fraction form
160,604.36/221,635.78 = 88,985.52/x - Step 3: Cross multiply
160,604.36x = 221,635.78 × 88,985.52 - Step 4: Simplify right side
160,604.36x = 19,722,375,133.91 - Step 5: Solve for x
x = 19,722,375,133.91/160,604.36 - Step 6: Final answer
x = 122,800.99
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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.