Finding the Fourth Proportional to 80,235.84, 120,379.68 and 33,502.08
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Solution
The fourth proportional to 80,235.84, 120,379.68 and 33,502.08 is: 50,263.94
Step by Step Solution
- Step 1: Write the proportion equation
80,235.84 : 120,379.68 = 33,502.08 : x - Step 2: Convert to fraction form
80,235.84/120,379.68 = 33,502.08/x - Step 3: Cross multiply
80,235.84x = 120,379.68 × 33,502.08 - Step 4: Simplify right side
80,235.84x = 4,032,969,669.73 - Step 5: Solve for x
x = 4,032,969,669.73/80,235.84 - Step 6: Final answer
x = 50,263.94
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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.