Finding the Fourth Proportional to 541,289.40, 811,934.10 and 167,311.80
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Solution
The fourth proportional to 541,289.40, 811,934.10 and 167,311.80 is: 250,967.70
Step by Step Solution
- Step 1: Write the proportion equation
541,289.40 : 811,934.10 = 167,311.80 : x - Step 2: Convert to fraction form
541,289.40/811,934.10 = 167,311.80/x - Step 3: Cross multiply
541,289.40x = 811,934.10 × 167,311.80 - Step 4: Simplify right side
541,289.40x = 135,846,155,752.38 - Step 5: Solve for x
x = 135,846,155,752.38/541,289.40 - Step 6: Final answer
x = 250,967.70
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Similar ratio
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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.