Finding the Fourth Proportional to 329,209.26, 454,434.75 and 202,057.62
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Solution
The fourth proportional to 329,209.26, 454,434.75 and 202,057.62 is: 278,916.83
Step by Step Solution
- Step 1: Write the proportion equation
329,209.26 : 454,434.75 = 202,057.62 : x - Step 2: Convert to fraction form
329,209.26/454,434.75 = 202,057.62/x - Step 3: Cross multiply
329,209.26x = 454,434.75 × 202,057.62 - Step 4: Simplify right side
329,209.26x = 91,822,004,030.30 - Step 5: Solve for x
x = 91,822,004,030.30/329,209.26 - Step 6: Final answer
x = 278,916.83
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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.