Finding the Fourth Proportional to 181,310.99, 250,203.53 and 99,639.05
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Solution
The fourth proportional to 181,310.99, 250,203.53 and 99,639.05 is: 137,498.79
Step by Step Solution
- Step 1: Write the proportion equation
181,310.99 : 250,203.53 = 99,639.05 : x - Step 2: Convert to fraction form
181,310.99/250,203.53 = 99,639.05/x - Step 3: Cross multiply
181,310.99x = 250,203.53 × 99,639.05 - Step 4: Simplify right side
181,310.99x = 24,930,041,537.65 - Step 5: Solve for x
x = 24,930,041,537.65/181,310.99 - Step 6: Final answer
x = 137,498.79
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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.