Finding the Fourth Proportional to 107,563.28, 161,344.73 and 51,232.53
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Solution
The fourth proportional to 107,563.28, 161,344.73 and 51,232.53 is: 76,848.71
Step by Step Solution
- Step 1: Write the proportion equation
107,563.28 : 161,344.73 = 51,232.53 : x - Step 2: Convert to fraction form
107,563.28/161,344.73 = 51,232.53/x - Step 3: Cross multiply
107,563.28x = 161,344.73 × 51,232.53 - Step 4: Simplify right side
107,563.28x = 8,266,098,463.90 - Step 5: Solve for x
x = 8,266,098,463.90/107,563.28 - Step 6: Final answer
x = 76,848.71
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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.