Finding the Fourth Proportional to 135,694.21, 203,541.84 and 56,753.07
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Solution
The fourth proportional to 135,694.21, 203,541.84 and 56,753.07 is: 85,129.82
Step by Step Solution
- Step 1: Write the proportion equation
135,694.21 : 203,541.84 = 56,753.07 : x - Step 2: Convert to fraction form
135,694.21/203,541.84 = 56,753.07/x - Step 3: Cross multiply
135,694.21x = 203,541.84 × 56,753.07 - Step 4: Simplify right side
135,694.21x = 11,551,624,293.45 - Step 5: Solve for x
x = 11,551,624,293.45/135,694.21 - Step 6: Final answer
x = 85,129.82
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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.