Finding the Fourth Proportional to 317,205.96, 437,749.84 and 173,964.76
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Solution
The fourth proportional to 317,205.96, 437,749.84 and 173,964.76 is: 240,074.45
Step by Step Solution
- Step 1: Write the proportion equation
317,205.96 : 437,749.84 = 173,964.76 : x - Step 2: Convert to fraction form
317,205.96/437,749.84 = 173,964.76/x - Step 3: Cross multiply
317,205.96x = 437,749.84 × 173,964.76 - Step 4: Simplify right side
317,205.96x = 76,153,045,855.64 - Step 5: Solve for x
x = 76,153,045,855.64/317,205.96 - Step 6: Final answer
x = 240,074.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.