Finding the Fourth Proportional to 328,645.84, 492,930.68 and 92,007.44
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Solution
The fourth proportional to 328,645.84, 492,930.68 and 92,007.44 is: 138,000.50
Step by Step Solution
- Step 1: Write the proportion equation
328,645.84 : 492,930.68 = 92,007.44 : x - Step 2: Convert to fraction form
328,645.84/492,930.68 = 92,007.44/x - Step 3: Cross multiply
328,645.84x = 492,930.68 × 92,007.44 - Step 4: Simplify right side
328,645.84x = 45,353,289,964.26 - Step 5: Solve for x
x = 45,353,289,964.26/328,645.84 - Step 6: Final answer
x = 138,000.50
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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.