Finding the Fourth Proportional to 98,798.28, 148,170.99 and 27,716.68
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Solution
The fourth proportional to 98,798.28, 148,170.99 and 27,716.68 is: 41,567.61
Step by Step Solution
- Step 1: Write the proportion equation
98,798.28 : 148,170.99 = 27,716.68 : x - Step 2: Convert to fraction form
98,798.28/148,170.99 = 27,716.68/x - Step 3: Cross multiply
98,798.28x = 148,170.99 × 27,716.68 - Step 4: Simplify right side
98,798.28x = 4,106,807,915.11 - Step 5: Solve for x
x = 4,106,807,915.11/98,798.28 - Step 6: Final answer
x = 41,567.61
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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.