Finding the Fourth Proportional to 346,037.76, 477,561.26 and 195,163.92
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Solution
The fourth proportional to 346,037.76, 477,561.26 and 195,163.92 is: 269,342.65
Step by Step Solution
- Step 1: Write the proportion equation
346,037.76 : 477,561.26 = 195,163.92 : x - Step 2: Convert to fraction form
346,037.76/477,561.26 = 195,163.92/x - Step 3: Cross multiply
346,037.76x = 477,561.26 × 195,163.92 - Step 4: Simplify right side
346,037.76x = 93,202,727,541.74 - Step 5: Solve for x
x = 93,202,727,541.74/346,037.76 - Step 6: Final answer
x = 269,342.65
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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.