Finding the Fourth Proportional to 128,835.96, 193,267.17 and 44,595.99
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Solution
The fourth proportional to 128,835.96, 193,267.17 and 44,595.99 is: 66,898.56
Step by Step Solution
- Step 1: Write the proportion equation
128,835.96 : 193,267.17 = 44,595.99 : x - Step 2: Convert to fraction form
128,835.96/193,267.17 = 44,595.99/x - Step 3: Cross multiply
128,835.96x = 193,267.17 × 44,595.99 - Step 4: Simplify right side
128,835.96x = 8,618,940,780.65 - Step 5: Solve for x
x = 8,618,940,780.65/128,835.96 - Step 6: Final answer
x = 66,898.56
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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.