Finding the Fourth Proportional to 100,867.67, 151,257.74 and 34,289.91
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Solution
The fourth proportional to 100,867.67, 151,257.74 and 34,289.91 is: 51,419.99
Step by Step Solution
- Step 1: Write the proportion equation
100,867.67 : 151,257.74 = 34,289.91 : x - Step 2: Convert to fraction form
100,867.67/151,257.74 = 34,289.91/x - Step 3: Cross multiply
100,867.67x = 151,257.74 × 34,289.91 - Step 4: Simplify right side
100,867.67x = 5,186,614,119.95 - Step 5: Solve for x
x = 5,186,614,119.95/100,867.67 - Step 6: Final answer
x = 51,419.99
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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.