Finding the Fourth Proportional to 518,236.08, 777,768.84 and 268,989.36
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Solution
The fourth proportional to 518,236.08, 777,768.84 and 268,989.36 is: 403,699.30
Step by Step Solution
- Step 1: Write the proportion equation
518,236.08 : 777,768.84 = 268,989.36 : x - Step 2: Convert to fraction form
518,236.08/777,768.84 = 268,989.36/x - Step 3: Cross multiply
518,236.08x = 777,768.84 × 268,989.36 - Step 4: Simplify right side
518,236.08x = 209,211,542,499.54 - Step 5: Solve for x
x = 209,211,542,499.54/518,236.08 - Step 6: Final answer
x = 403,699.30
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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.