Finding the Fourth Proportional to 160,351.29, 221,308.25 and 92,355.19
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Solution
The fourth proportional to 160,351.29, 221,308.25 and 92,355.19 is: 127,463.68
Step by Step Solution
- Step 1: Write the proportion equation
160,351.29 : 221,308.25 = 92,355.19 : x - Step 2: Convert to fraction form
160,351.29/221,308.25 = 92,355.19/x - Step 3: Cross multiply
160,351.29x = 221,308.25 × 92,355.19 - Step 4: Simplify right side
160,351.29x = 20,438,965,708.21 - Step 5: Solve for x
x = 20,438,965,708.21/160,351.29 - Step 6: Final answer
x = 127,463.68
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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.