Finding the Fourth Proportional to 518,372.26, 777,441.75 and 185,948.26
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Solution
The fourth proportional to 518,372.26, 777,441.75 and 185,948.26 is: 278,880.55
Step by Step Solution
- Step 1: Write the proportion equation
518,372.26 : 777,441.75 = 185,948.26 : x - Step 2: Convert to fraction form
518,372.26/777,441.75 = 185,948.26/x - Step 3: Cross multiply
518,372.26x = 777,441.75 × 185,948.26 - Step 4: Simplify right side
518,372.26x = 144,563,938,022.95 - Step 5: Solve for x
x = 144,563,938,022.95/518,372.26 - Step 6: Final answer
x = 278,880.55
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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.