Finding the Fourth Proportional to 201,774.66, 278,444.97 and 126,364.74
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Solution
The fourth proportional to 201,774.66, 278,444.97 and 126,364.74 is: 174,380.80
Step by Step Solution
- Step 1: Write the proportion equation
201,774.66 : 278,444.97 = 126,364.74 : x - Step 2: Convert to fraction form
201,774.66/278,444.97 = 126,364.74/x - Step 3: Cross multiply
201,774.66x = 278,444.97 × 126,364.74 - Step 4: Simplify right side
201,774.66x = 35,185,626,238.36 - Step 5: Solve for x
x = 35,185,626,238.36/201,774.66 - Step 6: Final answer
x = 174,380.80
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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.