Finding the Fourth Proportional to 806,211.14, 1,209,491.66 and 245,231.06
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Solution
The fourth proportional to 806,211.14, 1,209,491.66 and 245,231.06 is: 367,899.80
Step by Step Solution
- Step 1: Write the proportion equation
806,211.14 : 1,209,491.66 = 245,231.06 : x - Step 2: Convert to fraction form
806,211.14/1,209,491.66 = 245,231.06/x - Step 3: Cross multiply
806,211.14x = 1,209,491.66 × 245,231.06 - Step 4: Simplify right side
806,211.14x = 296,604,920,616.80 - Step 5: Solve for x
x = 296,604,920,616.80/806,211.14 - Step 6: Final answer
x = 367,899.80
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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.