Finding the Fourth Proportional to 549,286.80, 823,930.20 and 194,701.20
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Solution
The fourth proportional to 549,286.80, 823,930.20 and 194,701.20 is: 292,051.80
Step by Step Solution
- Step 1: Write the proportion equation
549,286.80 : 823,930.20 = 194,701.20 : x - Step 2: Convert to fraction form
549,286.80/823,930.20 = 194,701.20/x - Step 3: Cross multiply
549,286.80x = 823,930.20 × 194,701.20 - Step 4: Simplify right side
549,286.80x = 160,420,198,656.24 - Step 5: Solve for x
x = 160,420,198,656.24/549,286.80 - Step 6: Final answer
x = 292,051.80
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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.