Finding the Fourth Proportional to 202,664.36, 279,856.14 and 126,313.76
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Solution
The fourth proportional to 202,664.36, 279,856.14 and 126,313.76 is: 174,424.75
Step by Step Solution
- Step 1: Write the proportion equation
202,664.36 : 279,856.14 = 126,313.76 : x - Step 2: Convert to fraction form
202,664.36/279,856.14 = 126,313.76/x - Step 3: Cross multiply
202,664.36x = 279,856.14 × 126,313.76 - Step 4: Simplify right side
202,664.36x = 35,349,681,302.49 - Step 5: Solve for x
x = 35,349,681,302.49/202,664.36 - Step 6: Final answer
x = 174,424.75
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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.