Finding the Fourth Proportional to 322,418.29, 444,901.84 and 186,431.65
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Solution
The fourth proportional to 322,418.29, 444,901.84 and 186,431.65 is: 257,255.21
Step by Step Solution
- Step 1: Write the proportion equation
322,418.29 : 444,901.84 = 186,431.65 : x - Step 2: Convert to fraction form
322,418.29/444,901.84 = 186,431.65/x - Step 3: Cross multiply
322,418.29x = 444,901.84 × 186,431.65 - Step 4: Simplify right side
322,418.29x = 82,943,784,119.24 - Step 5: Solve for x
x = 82,943,784,119.24/322,418.29 - Step 6: Final answer
x = 257,255.21
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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.