Finding the Fourth Proportional to 328,929.14, 453,933.22 and 201,580.14
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Solution
The fourth proportional to 328,929.14, 453,933.22 and 201,580.14 is: 278,187.34
Step by Step Solution
- Step 1: Write the proportion equation
328,929.14 : 453,933.22 = 201,580.14 : x - Step 2: Convert to fraction form
328,929.14/453,933.22 = 201,580.14/x - Step 3: Cross multiply
328,929.14x = 453,933.22 × 201,580.14 - Step 4: Simplify right side
328,929.14x = 91,503,922,038.25 - Step 5: Solve for x
x = 91,503,922,038.25/328,929.14 - Step 6: Final answer
x = 278,187.34
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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.