Finding the Fourth Proportional to 160,433.05, 221,420.77 and 92,436.99
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Solution
The fourth proportional to 160,433.05, 221,420.77 and 92,436.99 is: 127,576.39
Step by Step Solution
- Step 1: Write the proportion equation
160,433.05 : 221,420.77 = 92,436.99 : x - Step 2: Convert to fraction form
160,433.05/221,420.77 = 92,436.99/x - Step 3: Cross multiply
160,433.05x = 221,420.77 × 92,436.99 - Step 4: Simplify right side
160,433.05x = 20,467,469,502.28 - Step 5: Solve for x
x = 20,467,469,502.28/160,433.05 - Step 6: Final answer
x = 127,576.39
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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.