Finding the Fourth Proportional to 98,491.44, 135,939.96 and 60,259.44
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Solution
The fourth proportional to 98,491.44, 135,939.96 and 60,259.44 is: 83,171.35
Step by Step Solution
- Step 1: Write the proportion equation
98,491.44 : 135,939.96 = 60,259.44 : x - Step 2: Convert to fraction form
98,491.44/135,939.96 = 60,259.44/x - Step 3: Cross multiply
98,491.44x = 135,939.96 × 60,259.44 - Step 4: Simplify right side
98,491.44x = 8,191,665,863.22 - Step 5: Solve for x
x = 8,191,665,863.22/98,491.44 - Step 6: Final answer
x = 83,171.35
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1.5x scale
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.