Finding the Fourth Proportional to 521,751.76, 782,589.36 and 166,670.44
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Solution
The fourth proportional to 521,751.76, 782,589.36 and 166,670.44 is: 249,993.43
Step by Step Solution
- Step 1: Write the proportion equation
521,751.76 : 782,589.36 = 166,670.44 : x - Step 2: Convert to fraction form
521,751.76/782,589.36 = 166,670.44/x - Step 3: Cross multiply
521,751.76x = 782,589.36 × 166,670.44 - Step 4: Simplify right side
521,751.76x = 130,434,511,014.05 - Step 5: Solve for x
x = 130,434,511,014.05/521,751.76 - Step 6: Final answer
x = 249,993.43
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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.