Finding the Fourth Proportional to 356,106.08, 491,427.84 and 194,976.13
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Solution
The fourth proportional to 356,106.08, 491,427.84 and 194,976.13 is: 269,067.85
Step by Step Solution
- Step 1: Write the proportion equation
356,106.08 : 491,427.84 = 194,976.13 : x - Step 2: Convert to fraction form
356,106.08/491,427.84 = 194,976.13/x - Step 3: Cross multiply
356,106.08x = 491,427.84 × 194,976.13 - Step 4: Simplify right side
356,106.08x = 95,816,698,417.46 - Step 5: Solve for x
x = 95,816,698,417.46/356,106.08 - Step 6: Final answer
x = 269,067.85
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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.