Finding the Fourth Proportional to 160,435.98, 221,438.82 and 106,723.26
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Solution
The fourth proportional to 160,435.98, 221,438.82 and 106,723.26 is: 147,302.82
Step by Step Solution
- Step 1: Write the proportion equation
160,435.98 : 221,438.82 = 106,723.26 : x - Step 2: Convert to fraction form
160,435.98/221,438.82 = 106,723.26/x - Step 3: Cross multiply
160,435.98x = 221,438.82 × 106,723.26 - Step 4: Simplify right side
160,435.98x = 23,632,672,760.95 - Step 5: Solve for x
x = 23,632,672,760.95/160,435.98 - Step 6: Final answer
x = 147,302.82
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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.