Finding the Fourth Proportional to 356,665.91, 535,068.80 and 132,028.07
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Solution
The fourth proportional to 356,665.91, 535,068.80 and 132,028.07 is: 198,067.99
Step by Step Solution
- Step 1: Write the proportion equation
356,665.91 : 535,068.80 = 132,028.07 : x - Step 2: Convert to fraction form
356,665.91/535,068.80 = 132,028.07/x - Step 3: Cross multiply
356,665.91x = 535,068.80 × 132,028.07 - Step 4: Simplify right side
356,665.91x = 70,644,100,321.08 - Step 5: Solve for x
x = 70,644,100,321.08/356,665.91 - Step 6: Final answer
x = 198,067.99
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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.