Finding the Fourth Proportional to 518,339.13, 777,187.92 and 202,424.55
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Solution
The fourth proportional to 518,339.13, 777,187.92 and 202,424.55 is: 303,511.55
Step by Step Solution
- Step 1: Write the proportion equation
518,339.13 : 777,187.92 = 202,424.55 : x - Step 2: Convert to fraction form
518,339.13/777,187.92 = 202,424.55/x - Step 3: Cross multiply
518,339.13x = 777,187.92 × 202,424.55 - Step 4: Simplify right side
518,339.13x = 157,321,914,971.44 - Step 5: Solve for x
x = 157,321,914,971.44/518,339.13 - Step 6: Final answer
x = 303,511.55
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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.