Finding the Fourth Proportional to 180,198.07, 248,660.99 and 99,624.84
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Solution
The fourth proportional to 180,198.07, 248,660.99 and 99,624.84 is: 137,475.45
Step by Step Solution
- Step 1: Write the proportion equation
180,198.07 : 248,660.99 = 99,624.84 : x - Step 2: Convert to fraction form
180,198.07/248,660.99 = 99,624.84/x - Step 3: Cross multiply
180,198.07x = 248,660.99 × 99,624.84 - Step 4: Simplify right side
180,198.07x = 24,772,810,285.98 - Step 5: Solve for x
x = 24,772,810,285.98/180,198.07 - Step 6: Final answer
x = 137,475.45
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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.