Finding the Fourth Proportional to 135,489.84, 203,268.60 and 56,563.44
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Solution
The fourth proportional to 135,489.84, 203,268.60 and 56,563.44 is: 84,859.29
Step by Step Solution
- Step 1: Write the proportion equation
135,489.84 : 203,268.60 = 56,563.44 : x - Step 2: Convert to fraction form
135,489.84/203,268.60 = 56,563.44/x - Step 3: Cross multiply
135,489.84x = 203,268.60 × 56,563.44 - Step 4: Simplify right side
135,489.84x = 11,497,571,259.98 - Step 5: Solve for x
x = 11,497,571,259.98/135,489.84 - Step 6: Final answer
x = 84,859.29
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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.