Finding the Fourth Proportional to 366,206.80, 549,310.20 and 189,059.80
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Solution
The fourth proportional to 366,206.80, 549,310.20 and 189,059.80 is: 283,589.70
Step by Step Solution
- Step 1: Write the proportion equation
366,206.80 : 549,310.20 = 189,059.80 : x - Step 2: Convert to fraction form
366,206.80/549,310.20 = 189,059.80/x - Step 3: Cross multiply
366,206.80x = 549,310.20 × 189,059.80 - Step 4: Simplify right side
366,206.80x = 103,852,476,549.96 - Step 5: Solve for x
x = 103,852,476,549.96/366,206.80 - Step 6: Final answer
x = 283,589.70
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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.