Finding the Fourth Proportional to 295,108.80, 442,720.80 and 126,628.80
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Solution
The fourth proportional to 295,108.80, 442,720.80 and 126,628.80 is: 189,967.92
Step by Step Solution
- Step 1: Write the proportion equation
295,108.80 : 442,720.80 = 126,628.80 : x - Step 2: Convert to fraction form
295,108.80/442,720.80 = 126,628.80/x - Step 3: Cross multiply
295,108.80x = 442,720.80 × 126,628.80 - Step 4: Simplify right side
295,108.80x = 56,061,203,639.04 - Step 5: Solve for x
x = 56,061,203,639.04/295,108.80 - Step 6: Final answer
x = 189,967.92
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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.