Finding the Fourth Proportional to 146,508.75, 202,182.17 and 79,440.75
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Solution
The fourth proportional to 146,508.75, 202,182.17 and 79,440.75 is: 109,628.28
Step by Step Solution
- Step 1: Write the proportion equation
146,508.75 : 202,182.17 = 79,440.75 : x - Step 2: Convert to fraction form
146,508.75/202,182.17 = 79,440.75/x - Step 3: Cross multiply
146,508.75x = 202,182.17 × 79,440.75 - Step 4: Simplify right side
146,508.75x = 16,061,502,824.22 - Step 5: Solve for x
x = 16,061,502,824.22/146,508.75 - Step 6: Final answer
x = 109,628.28
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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.