Finding the Fourth Proportional to 146,246.49, 201,821.49 and 85,818.13
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Solution
The fourth proportional to 146,246.49, 201,821.49 and 85,818.13 is: 118,429.80
Step by Step Solution
- Step 1: Write the proportion equation
146,246.49 : 201,821.49 = 85,818.13 : x - Step 2: Convert to fraction form
146,246.49/201,821.49 = 85,818.13/x - Step 3: Cross multiply
146,246.49x = 201,821.49 × 85,818.13 - Step 4: Simplify right side
146,246.49x = 17,319,942,865.61 - Step 5: Solve for x
x = 17,319,942,865.61/146,246.49 - Step 6: Final answer
x = 118,429.80
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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.