Finding the Fourth Proportional to 127,412.19, 191,117.07 and 33,917.94
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Solution
The fourth proportional to 127,412.19, 191,117.07 and 33,917.94 is: 50,876.59
Step by Step Solution
- Step 1: Write the proportion equation
127,412.19 : 191,117.07 = 33,917.94 : x - Step 2: Convert to fraction form
127,412.19/191,117.07 = 33,917.94/x - Step 3: Cross multiply
127,412.19x = 191,117.07 × 33,917.94 - Step 4: Simplify right side
127,412.19x = 6,482,297,313.24 - Step 5: Solve for x
x = 6,482,297,313.24/127,412.19 - Step 6: Final answer
x = 50,876.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.