Finding the Fourth Proportional to 283,539.20, 425,308.80 and 259,044.80
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Solution
The fourth proportional to 283,539.20, 425,308.80 and 259,044.80 is: 388,567.20
Step by Step Solution
- Step 1: Write the proportion equation
283,539.20 : 425,308.80 = 259,044.80 : x - Step 2: Convert to fraction form
283,539.20/425,308.80 = 259,044.80/x - Step 3: Cross multiply
283,539.20x = 425,308.80 × 259,044.80 - Step 4: Simplify right side
283,539.20x = 110,174,033,034.24 - Step 5: Solve for x
x = 110,174,033,034.24/283,539.20 - Step 6: Final answer
x = 388,567.20
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1.5x scale
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.