Finding the Fourth Proportional to 349,119.88, 481,785.84 and 198,216.88
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Solution
The fourth proportional to 349,119.88, 481,785.84 and 198,216.88 is: 273,539.52
Step by Step Solution
- Step 1: Write the proportion equation
349,119.88 : 481,785.84 = 198,216.88 : x - Step 2: Convert to fraction form
349,119.88/481,785.84 = 198,216.88/x - Step 3: Cross multiply
349,119.88x = 481,785.84 × 198,216.88 - Step 4: Simplify right side
349,119.88x = 95,498,084,828.51 - Step 5: Solve for x
x = 95,498,084,828.51/349,119.88 - Step 6: Final answer
x = 273,539.52
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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.