Finding the Fourth Proportional to 490,043.52, 734,883.84 and 174,415.68
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Solution
The fourth proportional to 490,043.52, 734,883.84 and 174,415.68 is: 261,558.94
Step by Step Solution
- Step 1: Write the proportion equation
490,043.52 : 734,883.84 = 174,415.68 : x - Step 2: Convert to fraction form
490,043.52/734,883.84 = 174,415.68/x - Step 3: Cross multiply
490,043.52x = 734,883.84 × 174,415.68 - Step 4: Simplify right side
490,043.52x = 128,175,264,674.61 - Step 5: Solve for x
x = 128,175,264,674.61/490,043.52 - Step 6: Final answer
x = 261,558.94
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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.