Finding the Fourth Proportional to 649,236.12, 973,958.81 and 199,956.84
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Solution
The fourth proportional to 649,236.12, 973,958.81 and 199,956.84 is: 299,967.48
Step by Step Solution
- Step 1: Write the proportion equation
649,236.12 : 973,958.81 = 199,956.84 : x - Step 2: Convert to fraction form
649,236.12/973,958.81 = 199,956.84/x - Step 3: Cross multiply
649,236.12x = 973,958.81 × 199,956.84 - Step 4: Simplify right side
649,236.12x = 194,749,725,956.90 - Step 5: Solve for x
x = 194,749,725,956.90/649,236.12 - Step 6: Final answer
x = 299,967.48
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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.