Finding the Fourth Proportional to 146,284.40, 201,733.80 and 100,889.84
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Solution
The fourth proportional to 146,284.40, 201,733.80 and 100,889.84 is: 139,132.34
Step by Step Solution
- Step 1: Write the proportion equation
146,284.40 : 201,733.80 = 100,889.84 : x - Step 2: Convert to fraction form
146,284.40/201,733.80 = 100,889.84/x - Step 3: Cross multiply
146,284.40x = 201,733.80 × 100,889.84 - Step 4: Simplify right side
146,284.40x = 20,352,890,804.59 - Step 5: Solve for x
x = 20,352,890,804.59/146,284.40 - Step 6: Final answer
x = 139,132.34
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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.