Finding the Fourth Proportional to 576,138.42, 863,481.87 and 276,373.62
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Solution
The fourth proportional to 576,138.42, 863,481.87 and 276,373.62 is: 414,212.28
Step by Step Solution
- Step 1: Write the proportion equation
576,138.42 : 863,481.87 = 276,373.62 : x - Step 2: Convert to fraction form
576,138.42/863,481.87 = 276,373.62/x - Step 3: Cross multiply
576,138.42x = 863,481.87 × 276,373.62 - Step 4: Simplify right side
576,138.42x = 238,643,610,216.27 - Step 5: Solve for x
x = 238,643,610,216.27/576,138.42 - Step 6: Final answer
x = 414,212.28
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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.