Finding the Fourth Proportional to 146,626.13, 202,345.13 and 79,558.13
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Solution
The fourth proportional to 146,626.13, 202,345.13 and 79,558.13 is: 109,790.80
Step by Step Solution
- Step 1: Write the proportion equation
146,626.13 : 202,345.13 = 79,558.13 : x - Step 2: Convert to fraction form
146,626.13/202,345.13 = 79,558.13/x - Step 3: Cross multiply
146,626.13x = 202,345.13 × 79,558.13 - Step 4: Simplify right side
146,626.13x = 16,098,200,157.41 - Step 5: Solve for x
x = 16,098,200,157.41/146,626.13 - Step 6: Final answer
x = 109,790.80
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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.