Finding the Fourth Proportional to 629,642.91, 944,186.43 and 180,261.80
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Solution
The fourth proportional to 629,642.91, 944,186.43 and 180,261.80 is: 270,313.12
Step by Step Solution
- Step 1: Write the proportion equation
629,642.91 : 944,186.43 = 180,261.80 : x - Step 2: Convert to fraction form
629,642.91/944,186.43 = 180,261.80/x - Step 3: Cross multiply
629,642.91x = 944,186.43 × 180,261.80 - Step 4: Simplify right side
629,642.91x = 170,200,740,686.44 - Step 5: Solve for x
x = 170,200,740,686.44/629,642.91 - Step 6: Final answer
x = 270,313.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.