Finding the Fourth Proportional to 486,129.80, 729,267.63 and 170,531.12
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Solution
The fourth proportional to 486,129.80, 729,267.63 and 170,531.12 is: 255,822.26
Step by Step Solution
- Step 1: Write the proportion equation
486,129.80 : 729,267.63 = 170,531.12 : x - Step 2: Convert to fraction form
486,129.80/729,267.63 = 170,531.12/x - Step 3: Cross multiply
486,129.80x = 729,267.63 × 170,531.12 - Step 4: Simplify right side
486,129.80x = 124,362,825,723.65 - Step 5: Solve for x
x = 124,362,825,723.65/486,129.80 - Step 6: Final answer
x = 255,822.26
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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.