Finding the Fourth Proportional to 838,213.08, 1,257,564.58 and 269,581.40
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Solution
The fourth proportional to 838,213.08, 1,257,564.58 and 269,581.40 is: 404,450.88
Step by Step Solution
- Step 1: Write the proportion equation
838,213.08 : 1,257,564.58 = 269,581.40 : x - Step 2: Convert to fraction form
838,213.08/1,257,564.58 = 269,581.40/x - Step 3: Cross multiply
838,213.08x = 1,257,564.58 × 269,581.40 - Step 4: Simplify right side
838,213.08x = 339,016,020,066.81 - Step 5: Solve for x
x = 339,016,020,066.81/838,213.08 - Step 6: Final answer
x = 404,450.88
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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.