Finding the Fourth Proportional to 372,645.30, 514,233.57 and 202,879.06
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Solution
The fourth proportional to 372,645.30, 514,233.57 and 202,879.06 is: 279,963.88
Step by Step Solution
- Step 1: Write the proportion equation
372,645.30 : 514,233.57 = 202,879.06 : x - Step 2: Convert to fraction form
372,645.30/514,233.57 = 202,879.06/x - Step 3: Cross multiply
372,645.30x = 514,233.57 × 202,879.06 - Step 4: Simplify right side
372,645.30x = 104,327,223,302.04 - Step 5: Solve for x
x = 104,327,223,302.04/372,645.30 - Step 6: Final answer
x = 279,963.88
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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.