Finding the Fourth Proportional to 366,310.80, 549,466.20 and 254,117.70
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Solution
The fourth proportional to 366,310.80, 549,466.20 and 254,117.70 is: 381,176.55
Step by Step Solution
- Step 1: Write the proportion equation
366,310.80 : 549,466.20 = 254,117.70 : x - Step 2: Convert to fraction form
366,310.80/549,466.20 = 254,117.70/x - Step 3: Cross multiply
366,310.80x = 549,466.20 × 254,117.70 - Step 4: Simplify right side
366,310.80x = 139,629,086,971.74 - Step 5: Solve for x
x = 139,629,086,971.74/366,310.80 - Step 6: Final answer
x = 381,176.55
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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.