Finding the Fourth Proportional to 160,197.80, 221,077.62 and 87,604.96
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Solution
The fourth proportional to 160,197.80, 221,077.62 and 87,604.96 is: 120,897.39
Step by Step Solution
- Step 1: Write the proportion equation
160,197.80 : 221,077.62 = 87,604.96 : x - Step 2: Convert to fraction form
160,197.80/221,077.62 = 87,604.96/x - Step 3: Cross multiply
160,197.80x = 221,077.62 × 87,604.96 - Step 4: Simplify right side
160,197.80x = 19,367,496,057.00 - Step 5: Solve for x
x = 19,367,496,057.00/160,197.80 - Step 6: Final answer
x = 120,897.39
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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.