Finding the Fourth Proportional to 135,426.24, 203,156.64 and 51,238.08
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Solution
The fourth proportional to 135,426.24, 203,156.64 and 51,238.08 is: 76,863.66
Step by Step Solution
- Step 1: Write the proportion equation
135,426.24 : 203,156.64 = 51,238.08 : x - Step 2: Convert to fraction form
135,426.24/203,156.64 = 51,238.08/x - Step 3: Cross multiply
135,426.24x = 203,156.64 × 51,238.08 - Step 4: Simplify right side
135,426.24x = 10,409,356,172.85 - Step 5: Solve for x
x = 10,409,356,172.85/135,426.24 - Step 6: Final answer
x = 76,863.66
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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.