Finding the Fourth Proportional to 328,934.80, 461,130.80 and 328,934.80
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Solution
The fourth proportional to 328,934.80, 461,130.80 and 328,934.80 is: 461,130.80
Step by Step Solution
- Step 1: Write the proportion equation
328,934.80 : 461,130.80 = 328,934.80 : x - Step 2: Convert to fraction form
328,934.80/461,130.80 = 328,934.80/x - Step 3: Cross multiply
328,934.80x = 461,130.80 × 328,934.80 - Step 4: Simplify right side
328,934.80x = 151,681,967,471.84 - Step 5: Solve for x
x = 151,681,967,471.84/328,934.80 - Step 6: Final answer
x = 461,130.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.