Finding the Fourth Proportional to 328,775.91, 453,684.91 and 201,434.19
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Solution
The fourth proportional to 328,775.91, 453,684.91 and 201,434.19 is: 277,963.35
Step by Step Solution
- Step 1: Write the proportion equation
328,775.91 : 453,684.91 = 201,434.19 : x - Step 2: Convert to fraction form
328,775.91/453,684.91 = 201,434.19/x - Step 3: Cross multiply
328,775.91x = 453,684.91 × 201,434.19 - Step 4: Simplify right side
328,775.91x = 91,387,652,361.07 - Step 5: Solve for x
x = 91,387,652,361.07/328,775.91 - Step 6: Final answer
x = 277,963.35
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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.