Finding the Fourth Proportional to 298,474.99, 447,761.09 and 88,134.19
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Solution
The fourth proportional to 298,474.99, 447,761.09 and 88,134.19 is: 132,215.64
Step by Step Solution
- Step 1: Write the proportion equation
298,474.99 : 447,761.09 = 88,134.19 : x - Step 2: Convert to fraction form
298,474.99/447,761.09 = 88,134.19/x - Step 3: Cross multiply
298,474.99x = 447,761.09 × 88,134.19 - Step 4: Simplify right side
298,474.99x = 39,463,060,980.67 - Step 5: Solve for x
x = 39,463,060,980.67/298,474.99 - Step 6: Final answer
x = 132,215.64
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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.