Finding the Fourth Proportional to 131,650.53, 197,555.99 and 47,403.65
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Solution
The fourth proportional to 131,650.53, 197,555.99 and 47,403.65 is: 71,134.34
Step by Step Solution
- Step 1: Write the proportion equation
131,650.53 : 197,555.99 = 47,403.65 : x - Step 2: Convert to fraction form
131,650.53/197,555.99 = 47,403.65/x - Step 3: Cross multiply
131,650.53x = 197,555.99 × 47,403.65 - Step 4: Simplify right side
131,650.53x = 9,364,873,780.57 - Step 5: Solve for x
x = 9,364,873,780.57/131,650.53 - Step 6: Final answer
x = 71,134.34
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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.