Finding the Fourth Proportional to 366,416.85, 549,626.49 and 129,766.44
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Solution
The fourth proportional to 366,416.85, 549,626.49 and 129,766.44 is: 194,650.09
Step by Step Solution
- Step 1: Write the proportion equation
366,416.85 : 549,626.49 = 129,766.44 : x - Step 2: Convert to fraction form
366,416.85/549,626.49 = 129,766.44/x - Step 3: Cross multiply
366,416.85x = 549,626.49 × 129,766.44 - Step 4: Simplify right side
366,416.85x = 71,323,072,937.00 - Step 5: Solve for x
x = 71,323,072,937.00/366,416.85 - Step 6: Final answer
x = 194,650.09
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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.