Finding the Fourth Proportional to 283,252.80, 424,879.20 and 259,633.20
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Solution
The fourth proportional to 283,252.80, 424,879.20 and 259,633.20 is: 389,449.80
Step by Step Solution
- Step 1: Write the proportion equation
283,252.80 : 424,879.20 = 259,633.20 : x - Step 2: Convert to fraction form
283,252.80/424,879.20 = 259,633.20/x - Step 3: Cross multiply
283,252.80x = 424,879.20 × 259,633.20 - Step 4: Simplify right side
283,252.80x = 110,312,746,309.44 - Step 5: Solve for x
x = 110,312,746,309.44/283,252.80 - Step 6: Final answer
x = 389,449.80
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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.