Finding the Fourth Proportional to 294,451.20, 441,676.80 and 201,139.20
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Solution
The fourth proportional to 294,451.20, 441,676.80 and 201,139.20 is: 301,708.80
Step by Step Solution
- Step 1: Write the proportion equation
294,451.20 : 441,676.80 = 201,139.20 : x - Step 2: Convert to fraction form
294,451.20/441,676.80 = 201,139.20/x - Step 3: Cross multiply
294,451.20x = 441,676.80 × 201,139.20 - Step 4: Simplify right side
294,451.20x = 88,838,518,210.56 - Step 5: Solve for x
x = 88,838,518,210.56/294,451.20 - Step 6: Final answer
x = 301,708.80
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1.5x scale
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.