Finding the Fourth Proportional to 370,699.68, 511,190.40 and 329,734.56
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Solution
The fourth proportional to 370,699.68, 511,190.40 and 329,734.56 is: 454,699.99
Step by Step Solution
- Step 1: Write the proportion equation
370,699.68 : 511,190.40 = 329,734.56 : x - Step 2: Convert to fraction form
370,699.68/511,190.40 = 329,734.56/x - Step 3: Cross multiply
370,699.68x = 511,190.40 × 329,734.56 - Step 4: Simplify right side
370,699.68x = 168,557,141,620.22 - Step 5: Solve for x
x = 168,557,141,620.22/370,699.68 - Step 6: Final answer
x = 454,699.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.