Finding the Fourth Proportional to 328,775.66, 453,684.57 and 201,433.94
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Solution
The fourth proportional to 328,775.66, 453,684.57 and 201,433.94 is: 277,963.01
Step by Step Solution
- Step 1: Write the proportion equation
328,775.66 : 453,684.57 = 201,433.94 : x - Step 2: Convert to fraction form
328,775.66/453,684.57 = 201,433.94/x - Step 3: Cross multiply
328,775.66x = 453,684.57 × 201,433.94 - Step 4: Simplify right side
328,775.66x = 91,387,470,452.31 - Step 5: Solve for x
x = 91,387,470,452.31/328,775.66 - Step 6: Final answer
x = 277,963.01
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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.