Finding the Fourth Proportional to 548,937.84, 823,642.25 and 212,214.94
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Solution
The fourth proportional to 548,937.84, 823,642.25 and 212,214.94 is: 318,413.45
Step by Step Solution
- Step 1: Write the proportion equation
548,937.84 : 823,642.25 = 212,214.94 : x - Step 2: Convert to fraction form
548,937.84/823,642.25 = 212,214.94/x - Step 3: Cross multiply
548,937.84x = 823,642.25 × 212,214.94 - Step 4: Simplify right side
548,937.84x = 174,789,188,141.89 - Step 5: Solve for x
x = 174,789,188,141.89/548,937.84 - Step 6: Final answer
x = 318,413.45
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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.