Finding the Fourth Proportional to 202,588.36, 279,751.26 and 126,237.76
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Solution
The fourth proportional to 202,588.36, 279,751.26 and 126,237.76 is: 174,319.85
Step by Step Solution
- Step 1: Write the proportion equation
202,588.36 : 279,751.26 = 126,237.76 : x - Step 2: Convert to fraction form
202,588.36/279,751.26 = 126,237.76/x - Step 3: Cross multiply
202,588.36x = 279,751.26 × 126,237.76 - Step 4: Simplify right side
202,588.36x = 35,315,172,419.58 - Step 5: Solve for x
x = 35,315,172,419.58/202,588.36 - Step 6: Final answer
x = 174,319.85
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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.