Finding the Fourth Proportional to 366,503.20, 549,560.40 and 129,853.60
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Solution
The fourth proportional to 366,503.20, 549,560.40 and 129,853.60 is: 194,711.52
Step by Step Solution
- Step 1: Write the proportion equation
366,503.20 : 549,560.40 = 129,853.60 : x - Step 2: Convert to fraction form
366,503.20/549,560.40 = 129,853.60/x - Step 3: Cross multiply
366,503.20x = 549,560.40 × 129,853.60 - Step 4: Simplify right side
366,503.20x = 71,362,396,357.44 - Step 5: Solve for x
x = 71,362,396,357.44/366,503.20 - Step 6: Final answer
x = 194,711.52
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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.