Finding the Fourth Proportional to 135,883.02, 203,758.68 and 56,976.06
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Solution
The fourth proportional to 135,883.02, 203,758.68 and 56,976.06 is: 85,436.48
Step by Step Solution
- Step 1: Write the proportion equation
135,883.02 : 203,758.68 = 56,976.06 : x - Step 2: Convert to fraction form
135,883.02/203,758.68 = 56,976.06/x - Step 3: Cross multiply
135,883.02x = 203,758.68 × 56,976.06 - Step 4: Simplify right side
135,883.02x = 11,609,366,777.20 - Step 5: Solve for x
x = 11,609,366,777.20/135,883.02 - Step 6: Final answer
x = 85,436.48
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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.