Finding the Fourth Proportional to 270,199.63, 372,682.11 and 189,645.13
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Solution
The fourth proportional to 270,199.63, 372,682.11 and 189,645.13 is: 261,574.55
Step by Step Solution
- Step 1: Write the proportion equation
270,199.63 : 372,682.11 = 189,645.13 : x - Step 2: Convert to fraction form
270,199.63/372,682.11 = 189,645.13/x - Step 3: Cross multiply
270,199.63x = 372,682.11 × 189,645.13 - Step 4: Simplify right side
270,199.63x = 70,677,347,199.62 - Step 5: Solve for x
x = 70,677,347,199.62/270,199.63 - Step 6: Final answer
x = 261,574.55
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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.