Finding the Fourth Proportional to 135,508.21, 203,229.64 and 56,579.65
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Solution
The fourth proportional to 135,508.21, 203,229.64 and 56,579.65 is: 84,855.83
Step by Step Solution
- Step 1: Write the proportion equation
135,508.21 : 203,229.64 = 56,579.65 : x - Step 2: Convert to fraction form
135,508.21/203,229.64 = 56,579.65/x - Step 3: Cross multiply
135,508.21x = 203,229.64 × 56,579.65 - Step 4: Simplify right side
135,508.21x = 11,498,661,900.83 - Step 5: Solve for x
x = 11,498,661,900.83/135,508.21 - Step 6: Final answer
x = 84,855.83
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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.