Finding the Fourth Proportional to 146,863.84, 202,682.12 and 83,202.16
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Solution
The fourth proportional to 146,863.84, 202,682.12 and 83,202.16 is: 114,824.66
Step by Step Solution
- Step 1: Write the proportion equation
146,863.84 : 202,682.12 = 83,202.16 : x - Step 2: Convert to fraction form
146,863.84/202,682.12 = 83,202.16/x - Step 3: Cross multiply
146,863.84x = 202,682.12 × 83,202.16 - Step 4: Simplify right side
146,863.84x = 16,863,590,177.38 - Step 5: Solve for x
x = 16,863,590,177.38/146,863.84 - Step 6: Final answer
x = 114,824.66
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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.