Finding the Fourth Proportional to 422,069.20, 633,136.61 and 122,554.70
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Solution
The fourth proportional to 422,069.20, 633,136.61 and 122,554.70 is: 183,841.58
Step by Step Solution
- Step 1: Write the proportion equation
422,069.20 : 633,136.61 = 122,554.70 : x - Step 2: Convert to fraction form
422,069.20/633,136.61 = 122,554.70/x - Step 3: Cross multiply
422,069.20x = 633,136.61 × 122,554.70 - Step 4: Simplify right side
422,069.20x = 77,593,867,297.57 - Step 5: Solve for x
x = 77,593,867,297.57/422,069.20 - Step 6: Final answer
x = 183,841.58
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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.