Finding the Fourth Proportional to 78,231.14, 117,299.84 and 24,900.08
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Solution
The fourth proportional to 78,231.14, 117,299.84 and 24,900.08 is: 37,335.20
Step by Step Solution
- Step 1: Write the proportion equation
78,231.14 : 117,299.84 = 24,900.08 : x - Step 2: Convert to fraction form
78,231.14/117,299.84 = 24,900.08/x - Step 3: Cross multiply
78,231.14x = 117,299.84 × 24,900.08 - Step 4: Simplify right side
78,231.14x = 2,920,774,688.99 - Step 5: Solve for x
x = 2,920,774,688.99/78,231.14 - Step 6: Final answer
x = 37,335.20
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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.