Finding the Fourth Proportional to 135,722.20, 203,584.12 and 40,952.76
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Solution
The fourth proportional to 135,722.20, 203,584.12 and 40,952.76 is: 61,429.39
Step by Step Solution
- Step 1: Write the proportion equation
135,722.20 : 203,584.12 = 40,952.76 : x - Step 2: Convert to fraction form
135,722.20/203,584.12 = 40,952.76/x - Step 3: Cross multiply
135,722.20x = 203,584.12 × 40,952.76 - Step 4: Simplify right side
135,722.20x = 8,337,331,606.17 - Step 5: Solve for x
x = 8,337,331,606.17/135,722.20 - Step 6: Final answer
x = 61,429.39
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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.