Finding the Fourth Proportional to 131,228.26, 181,001.70 and 87,598.84
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Solution
The fourth proportional to 131,228.26, 181,001.70 and 87,598.84 is: 120,824.12
Step by Step Solution
- Step 1: Write the proportion equation
131,228.26 : 181,001.70 = 87,598.84 : x - Step 2: Convert to fraction form
131,228.26/181,001.70 = 87,598.84/x - Step 3: Cross multiply
131,228.26x = 181,001.70 × 87,598.84 - Step 4: Simplify right side
131,228.26x = 15,855,538,958.03 - Step 5: Solve for x
x = 15,855,538,958.03/131,228.26 - Step 6: Final answer
x = 120,824.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.