Finding the Fourth Proportional to 145,938.70, 201,392.67 and 82,276.48
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Solution
The fourth proportional to 145,938.70, 201,392.67 and 82,276.48 is: 113,540.00
Step by Step Solution
- Step 1: Write the proportion equation
145,938.70 : 201,392.67 = 82,276.48 : x - Step 2: Convert to fraction form
145,938.70/201,392.67 = 82,276.48/x - Step 3: Cross multiply
145,938.70x = 201,392.67 × 82,276.48 - Step 4: Simplify right side
145,938.70x = 16,569,879,985.40 - Step 5: Solve for x
x = 16,569,879,985.40/145,938.70 - Step 6: Final answer
x = 113,540.00
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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.