Finding the Fourth Proportional to 299,457.18, 413,245.46 and 170,392.84
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Solution
The fourth proportional to 299,457.18, 413,245.46 and 170,392.84 is: 235,139.02
Step by Step Solution
- Step 1: Write the proportion equation
299,457.18 : 413,245.46 = 170,392.84 : x - Step 2: Convert to fraction form
299,457.18/413,245.46 = 170,392.84/x - Step 3: Cross multiply
299,457.18x = 413,245.46 × 170,392.84 - Step 4: Simplify right side
299,457.18x = 70,414,066,939.37 - Step 5: Solve for x
x = 70,414,066,939.37/299,457.18 - Step 6: Final answer
x = 235,139.02
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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.