Finding the Fourth Proportional to 349,830.91, 524,744.56 and 136,620.46
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Solution
The fourth proportional to 349,830.91, 524,744.56 and 136,620.46 is: 204,929.99
Step by Step Solution
- Step 1: Write the proportion equation
349,830.91 : 524,744.56 = 136,620.46 : x - Step 2: Convert to fraction form
349,830.91/524,744.56 = 136,620.46/x - Step 3: Cross multiply
349,830.91x = 524,744.56 × 136,620.46 - Step 4: Simplify right side
349,830.91x = 71,690,843,169.70 - Step 5: Solve for x
x = 71,690,843,169.70/349,830.91 - Step 6: Final answer
x = 204,929.99
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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.