Finding the Fourth Proportional to 266,539.08, 399,749.67 and 76,958.31
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Solution
The fourth proportional to 266,539.08, 399,749.67 and 76,958.31 is: 115,420.44
Step by Step Solution
- Step 1: Write the proportion equation
266,539.08 : 399,749.67 = 76,958.31 : x - Step 2: Convert to fraction form
266,539.08/399,749.67 = 76,958.31/x - Step 3: Cross multiply
266,539.08x = 399,749.67 × 76,958.31 - Step 4: Simplify right side
266,539.08x = 30,764,058,276.73 - Step 5: Solve for x
x = 30,764,058,276.73/266,539.08 - Step 6: Final answer
x = 115,420.44
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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.