Finding the Fourth Proportional to 202,440.24, 279,105.48 and 138,664.08
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Solution
The fourth proportional to 202,440.24, 279,105.48 and 138,664.08 is: 191,176.94
Step by Step Solution
- Step 1: Write the proportion equation
202,440.24 : 279,105.48 = 138,664.08 : x - Step 2: Convert to fraction form
202,440.24/279,105.48 = 138,664.08/x - Step 3: Cross multiply
202,440.24x = 279,105.48 × 138,664.08 - Step 4: Simplify right side
202,440.24x = 38,701,904,607.16 - Step 5: Solve for x
x = 38,701,904,607.16/202,440.24 - Step 6: Final answer
x = 191,176.94
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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.