Finding the Fourth Proportional to 146,865.70, 202,686.33 and 83,219.14
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Solution
The fourth proportional to 146,865.70, 202,686.33 and 83,219.14 is: 114,849.02
Step by Step Solution
- Step 1: Write the proportion equation
146,865.70 : 202,686.33 = 83,219.14 : x - Step 2: Convert to fraction form
146,865.70/202,686.33 = 83,219.14/x - Step 3: Cross multiply
146,865.70x = 202,686.33 × 83,219.14 - Step 4: Simplify right side
146,865.70x = 16,867,382,072.36 - Step 5: Solve for x
x = 16,867,382,072.36/146,865.70 - Step 6: Final answer
x = 114,849.02
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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.