Finding the Fourth Proportional to 201,774.30, 278,315.19 and 126,191.58
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Solution
The fourth proportional to 201,774.30, 278,315.19 and 126,191.58 is: 174,060.99
Step by Step Solution
- Step 1: Write the proportion equation
201,774.30 : 278,315.19 = 126,191.58 : x - Step 2: Convert to fraction form
201,774.30/278,315.19 = 126,191.58/x - Step 3: Cross multiply
201,774.30x = 278,315.19 × 126,191.58 - Step 4: Simplify right side
201,774.30x = 35,121,033,564.10 - Step 5: Solve for x
x = 35,121,033,564.10/201,774.30 - Step 6: Final answer
x = 174,060.99
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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.