Finding the Fourth Proportional to 328,775.41, 453,684.23 and 201,433.69
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Solution
The fourth proportional to 328,775.41, 453,684.23 and 201,433.69 is: 277,962.66
Step by Step Solution
- Step 1: Write the proportion equation
328,775.41 : 453,684.23 = 201,433.69 : x - Step 2: Convert to fraction form
328,775.41/453,684.23 = 201,433.69/x - Step 3: Cross multiply
328,775.41x = 453,684.23 × 201,433.69 - Step 4: Simplify right side
328,775.41x = 91,387,287,536.54 - Step 5: Solve for x
x = 91,387,287,536.54/328,775.41 - Step 6: Final answer
x = 277,962.66
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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.