Finding the Fourth Proportional to 366,529.20, 549,793.80 and 129,895.80
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Solution
The fourth proportional to 366,529.20, 549,793.80 and 129,895.80 is: 194,843.70
Step by Step Solution
- Step 1: Write the proportion equation
366,529.20 : 549,793.80 = 129,895.80 : x - Step 2: Convert to fraction form
366,529.20/549,793.80 = 129,895.80/x - Step 3: Cross multiply
366,529.20x = 549,793.80 × 129,895.80 - Step 4: Simplify right side
366,529.20x = 71,415,905,486.04 - Step 5: Solve for x
x = 71,415,905,486.04/366,529.20 - Step 6: Final answer
x = 194,843.70
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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.