Finding the Fourth Proportional to 265,526.73, 398,203.94 and 87,986.07
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Solution
The fourth proportional to 265,526.73, 398,203.94 and 87,986.07 is: 131,950.55
Step by Step Solution
- Step 1: Write the proportion equation
265,526.73 : 398,203.94 = 87,986.07 : x - Step 2: Convert to fraction form
265,526.73/398,203.94 = 87,986.07/x - Step 3: Cross multiply
265,526.73x = 398,203.94 × 87,986.07 - Step 4: Simplify right side
265,526.73x = 35,036,399,299.19 - Step 5: Solve for x
x = 35,036,399,299.19/265,526.73 - Step 6: Final answer
x = 131,950.55
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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.