Finding the Fourth Proportional to 383,880.48, 575,820.64 and 206,142.99
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Solution
The fourth proportional to 383,880.48, 575,820.64 and 206,142.99 is: 309,214.44
Step by Step Solution
- Step 1: Write the proportion equation
383,880.48 : 575,820.64 = 206,142.99 : x - Step 2: Convert to fraction form
383,880.48/575,820.64 = 206,142.99/x - Step 3: Cross multiply
383,880.48x = 575,820.64 × 206,142.99 - Step 4: Simplify right side
383,880.48x = 118,701,388,433.31 - Step 5: Solve for x
x = 118,701,388,433.31/383,880.48 - Step 6: Final answer
x = 309,214.44
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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.