Finding the Fourth Proportional to 87,182.28, 130,608.36 and 51,536.88
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Solution
The fourth proportional to 87,182.28, 130,608.36 and 51,536.88 is: 77,207.75
Step by Step Solution
- Step 1: Write the proportion equation
87,182.28 : 130,608.36 = 51,536.88 : x - Step 2: Convert to fraction form
87,182.28/130,608.36 = 51,536.88/x - Step 3: Cross multiply
87,182.28x = 130,608.36 × 51,536.88 - Step 4: Simplify right side
87,182.28x = 6,731,147,376.32 - Step 5: Solve for x
x = 6,731,147,376.32/87,182.28 - Step 6: Final answer
x = 77,207.75
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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.