Finding the Fourth Proportional to 324,292.12, 486,450.48 and 87,634.82
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Solution
The fourth proportional to 324,292.12, 486,450.48 and 87,634.82 is: 131,455.55
Step by Step Solution
- Step 1: Write the proportion equation
324,292.12 : 486,450.48 = 87,634.82 : x - Step 2: Convert to fraction form
324,292.12/486,450.48 = 87,634.82/x - Step 3: Cross multiply
324,292.12x = 486,450.48 × 87,634.82 - Step 4: Simplify right side
324,292.12x = 42,630,000,253.71 - Step 5: Solve for x
x = 42,630,000,253.71/324,292.12 - Step 6: Final answer
x = 131,455.55
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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.