Finding the Fourth Proportional to 145,938.60, 201,392.57 and 82,276.44
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Solution
The fourth proportional to 145,938.60, 201,392.57 and 82,276.44 is: 113,539.96
Step by Step Solution
- Step 1: Write the proportion equation
145,938.60 : 201,392.57 = 82,276.44 : x - Step 2: Convert to fraction form
145,938.60/201,392.57 = 82,276.44/x - Step 3: Cross multiply
145,938.60x = 201,392.57 × 82,276.44 - Step 4: Simplify right side
145,938.60x = 16,569,863,290.67 - Step 5: Solve for x
x = 16,569,863,290.67/145,938.60 - Step 6: Final answer
x = 113,539.96
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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.