Finding the Fourth Proportional to 353,171.44, 529,745.26 and 153,491.84
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Solution
The fourth proportional to 353,171.44, 529,745.26 and 153,491.84 is: 230,232.59
Step by Step Solution
- Step 1: Write the proportion equation
353,171.44 : 529,745.26 = 153,491.84 : x - Step 2: Convert to fraction form
353,171.44/529,745.26 = 153,491.84/x - Step 3: Cross multiply
353,171.44x = 529,745.26 × 153,491.84 - Step 4: Simplify right side
353,171.44x = 81,311,574,688.68 - Step 5: Solve for x
x = 81,311,574,688.68/353,171.44 - Step 6: Final answer
x = 230,232.59
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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.