Finding the Fourth Proportional to 295,201.80, 442,860.30 and 126,721.80
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Solution
The fourth proportional to 295,201.80, 442,860.30 and 126,721.80 is: 190,107.43
Step by Step Solution
- Step 1: Write the proportion equation
295,201.80 : 442,860.30 = 126,721.80 : x - Step 2: Convert to fraction form
295,201.80/442,860.30 = 126,721.80/x - Step 3: Cross multiply
295,201.80x = 442,860.30 × 126,721.80 - Step 4: Simplify right side
295,201.80x = 56,120,054,364.54 - Step 5: Solve for x
x = 56,120,054,364.54/295,201.80 - Step 6: Final answer
x = 190,107.43
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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.