Finding the Fourth Proportional to 321,484.20, 482,246.36 and 84,827.12
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Solution
The fourth proportional to 321,484.20, 482,246.36 and 84,827.12 is: 127,245.96
Step by Step Solution
- Step 1: Write the proportion equation
321,484.20 : 482,246.36 = 84,827.12 : x - Step 2: Convert to fraction form
321,484.20/482,246.36 = 84,827.12/x - Step 3: Cross multiply
321,484.20x = 482,246.36 × 84,827.12 - Step 4: Simplify right side
321,484.20x = 40,907,567,013.92 - Step 5: Solve for x
x = 40,907,567,013.92/321,484.20 - Step 6: Final answer
x = 127,245.96
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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.