Finding the Fourth Proportional to 576,138.92, 863,482.62 and 276,374.12
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Solution
The fourth proportional to 576,138.92, 863,482.62 and 276,374.12 is: 414,213.03
Step by Step Solution
- Step 1: Write the proportion equation
576,138.92 : 863,482.62 = 276,374.12 : x - Step 2: Convert to fraction form
576,138.92/863,482.62 = 276,374.12/x - Step 3: Cross multiply
576,138.92x = 863,482.62 × 276,374.12 - Step 4: Simplify right side
576,138.92x = 238,644,249,237.79 - Step 5: Solve for x
x = 238,644,249,237.79/576,138.92 - Step 6: Final answer
x = 414,213.03
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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.