Finding the Fourth Proportional to 307,424.80, 461,137.20 and 283,805.20
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Solution
The fourth proportional to 307,424.80, 461,137.20 and 283,805.20 is: 425,707.80
Step by Step Solution
- Step 1: Write the proportion equation
307,424.80 : 461,137.20 = 283,805.20 : x - Step 2: Convert to fraction form
307,424.80/461,137.20 = 283,805.20/x - Step 3: Cross multiply
307,424.80x = 461,137.20 × 283,805.20 - Step 4: Simplify right side
307,424.80x = 130,873,135,273.44 - Step 5: Solve for x
x = 130,873,135,273.44/307,424.80 - Step 6: Final answer
x = 425,707.80
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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.