Finding the Fourth Proportional to 548,966.95, 822,879.53 and 212,238.88
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Solution
The fourth proportional to 548,966.95, 822,879.53 and 212,238.88 is: 318,137.60
Step by Step Solution
- Step 1: Write the proportion equation
548,966.95 : 822,879.53 = 212,238.88 : x - Step 2: Convert to fraction form
548,966.95/822,879.53 = 212,238.88/x - Step 3: Cross multiply
548,966.95x = 822,879.53 × 212,238.88 - Step 4: Simplify right side
548,966.95x = 174,647,029,822.13 - Step 5: Solve for x
x = 174,647,029,822.13/548,966.95 - Step 6: Final answer
x = 318,137.60
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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.