Finding the Fourth Proportional to 234,135.12, 323,107.26 and 126,705.12
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Solution
The fourth proportional to 234,135.12, 323,107.26 and 126,705.12 is: 174,853.50
Step by Step Solution
- Step 1: Write the proportion equation
234,135.12 : 323,107.26 = 126,705.12 : x - Step 2: Convert to fraction form
234,135.12/323,107.26 = 126,705.12/x - Step 3: Cross multiply
234,135.12x = 323,107.26 × 126,705.12 - Step 4: Simplify right side
234,135.12x = 40,939,344,151.17 - Step 5: Solve for x
x = 40,939,344,151.17/234,135.12 - Step 6: Final answer
x = 174,853.50
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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.