Finding the Fourth Proportional to 328,977.09, 493,512.71 and 101,291.97
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Solution
The fourth proportional to 328,977.09, 493,512.71 and 101,291.97 is: 151,952.45
Step by Step Solution
- Step 1: Write the proportion equation
328,977.09 : 493,512.71 = 101,291.97 : x - Step 2: Convert to fraction form
328,977.09/493,512.71 = 101,291.97/x - Step 3: Cross multiply
328,977.09x = 493,512.71 × 101,291.97 - Step 4: Simplify right side
328,977.09x = 49,988,874,109.48 - Step 5: Solve for x
x = 49,988,874,109.48/328,977.09 - Step 6: Final answer
x = 151,952.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.