Finding the Fourth Proportional to 518,093.13, 777,183.70 and 144,116.13
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Solution
The fourth proportional to 518,093.13, 777,183.70 and 144,116.13 is: 216,186.44
Step by Step Solution
- Step 1: Write the proportion equation
518,093.13 : 777,183.70 = 144,116.13 : x - Step 2: Convert to fraction form
518,093.13/777,183.70 = 144,116.13/x - Step 3: Cross multiply
518,093.13x = 777,183.70 × 144,116.13 - Step 4: Simplify right side
518,093.13x = 112,004,707,143.08 - Step 5: Solve for x
x = 112,004,707,143.08/518,093.13 - Step 6: Final answer
x = 216,186.44
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1.5x scale
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.