Finding the Fourth Proportional to 340,828.49, 511,224.13 and 104,171.09
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Solution
The fourth proportional to 340,828.49, 511,224.13 and 104,171.09 is: 156,250.94
Step by Step Solution
- Step 1: Write the proportion equation
340,828.49 : 511,224.13 = 104,171.09 : x - Step 2: Convert to fraction form
340,828.49/511,224.13 = 104,171.09/x - Step 3: Cross multiply
340,828.49x = 511,224.13 × 104,171.09 - Step 4: Simplify right side
340,828.49x = 53,254,772,039.85 - Step 5: Solve for x
x = 53,254,772,039.85/340,828.49 - Step 6: Final answer
x = 156,250.94
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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.