Finding the Fourth Proportional to 270,949.80, 406,424.70 and 265,765.80
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Solution
The fourth proportional to 270,949.80, 406,424.70 and 265,765.80 is: 398,648.70
Step by Step Solution
- Step 1: Write the proportion equation
270,949.80 : 406,424.70 = 265,765.80 : x - Step 2: Convert to fraction form
270,949.80/406,424.70 = 265,765.80/x - Step 3: Cross multiply
270,949.80x = 406,424.70 × 265,765.80 - Step 4: Simplify right side
270,949.80x = 108,013,785,535.26 - Step 5: Solve for x
x = 108,013,785,535.26/270,949.80 - Step 6: Final answer
x = 398,648.70
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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.