Finding the Fourth Proportional to 486,674.26, 730,011.40 and 154,250.26
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Solution
The fourth proportional to 486,674.26, 730,011.40 and 154,250.26 is: 231,375.39
Step by Step Solution
- Step 1: Write the proportion equation
486,674.26 : 730,011.40 = 154,250.26 : x - Step 2: Convert to fraction form
486,674.26/730,011.40 = 154,250.26/x - Step 3: Cross multiply
486,674.26x = 730,011.40 × 154,250.26 - Step 4: Simplify right side
486,674.26x = 112,604,448,252.96 - Step 5: Solve for x
x = 112,604,448,252.96/486,674.26 - Step 6: Final answer
x = 231,375.39
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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.