Finding the Fourth Proportional to 232,700.43, 321,107.67 and 130,720.35
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Solution
The fourth proportional to 232,700.43, 321,107.67 and 130,720.35 is: 180,383.45
Step by Step Solution
- Step 1: Write the proportion equation
232,700.43 : 321,107.67 = 130,720.35 : x - Step 2: Convert to fraction form
232,700.43/321,107.67 = 130,720.35/x - Step 3: Cross multiply
232,700.43x = 321,107.67 × 130,720.35 - Step 4: Simplify right side
232,700.43x = 41,975,307,010.08 - Step 5: Solve for x
x = 41,975,307,010.08/232,700.43 - Step 6: Final answer
x = 180,383.45
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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.