Finding the Fourth Proportional to 518,563.68, 777,845.34 and 124,579.68
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Solution
The fourth proportional to 518,563.68, 777,845.34 and 124,579.68 is: 186,869.48
Step by Step Solution
- Step 1: Write the proportion equation
518,563.68 : 777,845.34 = 124,579.68 : x - Step 2: Convert to fraction form
518,563.68/777,845.34 = 124,579.68/x - Step 3: Cross multiply
518,563.68x = 777,845.34 × 124,579.68 - Step 4: Simplify right side
518,563.68x = 96,903,723,546.69 - Step 5: Solve for x
x = 96,903,723,546.69/518,563.68 - Step 6: Final answer
x = 186,869.48
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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.