Finding the Fourth Proportional to 146,237.40, 201,811.28 and 82,575.65
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Solution
The fourth proportional to 146,237.40, 201,811.28 and 82,575.65 is: 113,956.46
Step by Step Solution
- Step 1: Write the proportion equation
146,237.40 : 201,811.28 = 82,575.65 : x - Step 2: Convert to fraction form
146,237.40/201,811.28 = 82,575.65/x - Step 3: Cross multiply
146,237.40x = 201,811.28 × 82,575.65 - Step 4: Simplify right side
146,237.40x = 16,664,696,201.40 - Step 5: Solve for x
x = 16,664,696,201.40/146,237.40 - Step 6: Final answer
x = 113,956.46
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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.