Finding the Fourth Proportional to 87,218.44, 130,828.87 and 24,888.94
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Solution
The fourth proportional to 87,218.44, 130,828.87 and 24,888.94 is: 37,333.75
Step by Step Solution
- Step 1: Write the proportion equation
87,218.44 : 130,828.87 = 24,888.94 : x - Step 2: Convert to fraction form
87,218.44/130,828.87 = 24,888.94/x - Step 3: Cross multiply
87,218.44x = 130,828.87 × 24,888.94 - Step 4: Simplify right side
87,218.44x = 3,256,191,599.74 - Step 5: Solve for x
x = 3,256,191,599.74/87,218.44 - Step 6: Final answer
x = 37,333.75
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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.