Finding the Fourth Proportional to 518,194.07, 777,183.87 and 139,024.92
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Solution
The fourth proportional to 518,194.07, 777,183.87 and 139,024.92 is: 208,508.61
Step by Step Solution
- Step 1: Write the proportion equation
518,194.07 : 777,183.87 = 139,024.92 : x - Step 2: Convert to fraction form
518,194.07/777,183.87 = 139,024.92/x - Step 3: Cross multiply
518,194.07x = 777,183.87 × 139,024.92 - Step 4: Simplify right side
518,194.07x = 108,047,925,352.04 - Step 5: Solve for x
x = 108,047,925,352.04/518,194.07 - Step 6: Final answer
x = 208,508.61
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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.