Finding the Fourth Proportional to 235,149.74, 324,328.83 and 163,493.90
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Solution
The fourth proportional to 235,149.74, 324,328.83 and 163,493.90 is: 225,497.95
Step by Step Solution
- Step 1: Write the proportion equation
235,149.74 : 324,328.83 = 163,493.90 : x - Step 2: Convert to fraction form
235,149.74/324,328.83 = 163,493.90/x - Step 3: Cross multiply
235,149.74x = 324,328.83 × 163,493.90 - Step 4: Simplify right side
235,149.74x = 53,025,785,299.14 - Step 5: Solve for x
x = 53,025,785,299.14/235,149.74 - Step 6: Final answer
x = 225,497.95
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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.