Finding the Fourth Proportional to 179,474.24, 247,676.11 and 98,904.65
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Solution
The fourth proportional to 179,474.24, 247,676.11 and 98,904.65 is: 136,489.33
Step by Step Solution
- Step 1: Write the proportion equation
179,474.24 : 247,676.11 = 98,904.65 : x - Step 2: Convert to fraction form
179,474.24/247,676.11 = 98,904.65/x - Step 3: Cross multiply
179,474.24x = 247,676.11 × 98,904.65 - Step 4: Simplify right side
179,474.24x = 24,496,318,416.05 - Step 5: Solve for x
x = 24,496,318,416.05/179,474.24 - Step 6: Final answer
x = 136,489.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.