Finding the Fourth Proportional to 372,450.44, 513,993.26 and 211,312.28
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Solution
The fourth proportional to 372,450.44, 513,993.26 and 211,312.28 is: 291,617.56
Step by Step Solution
- Step 1: Write the proportion equation
372,450.44 : 513,993.26 = 211,312.28 : x - Step 2: Convert to fraction form
372,450.44/513,993.26 = 211,312.28/x - Step 3: Cross multiply
372,450.44x = 513,993.26 × 211,312.28 - Step 4: Simplify right side
372,450.44x = 108,613,087,675.23 - Step 5: Solve for x
x = 108,613,087,675.23/372,450.44 - Step 6: Final answer
x = 291,617.56
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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.