Finding the Fourth Proportional to 620,226.80, 929,749.62 and 199,207.46
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Solution
The fourth proportional to 620,226.80, 929,749.62 and 199,207.46 is: 298,621.50
Step by Step Solution
- Step 1: Write the proportion equation
620,226.80 : 929,749.62 = 199,207.46 : x - Step 2: Convert to fraction form
620,226.80/929,749.62 = 199,207.46/x - Step 3: Cross multiply
620,226.80x = 929,749.62 × 199,207.46 - Step 4: Simplify right side
620,226.80x = 185,213,060,236.17 - Step 5: Solve for x
x = 185,213,060,236.17/620,226.80 - Step 6: Final answer
x = 298,621.50
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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.