Finding the Fourth Proportional to 518,563.70, 777,845.55 and 124,579.70
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Solution
The fourth proportional to 518,563.70, 777,845.55 and 124,579.70 is: 186,869.55
Step by Step Solution
- Step 1: Write the proportion equation
518,563.70 : 777,845.55 = 124,579.70 : x - Step 2: Convert to fraction form
518,563.70/777,845.55 = 124,579.70/x - Step 3: Cross multiply
518,563.70x = 777,845.55 × 124,579.70 - Step 4: Simplify right side
518,563.70x = 96,903,765,265.34 - Step 5: Solve for x
x = 96,903,765,265.34/518,563.70 - Step 6: Final answer
x = 186,869.55
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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.