Finding the Fourth Proportional to 329,625.06, 494,437.41 and 312,796.05
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Solution
The fourth proportional to 329,625.06, 494,437.41 and 312,796.05 is: 469,193.90
Step by Step Solution
- Step 1: Write the proportion equation
329,625.06 : 494,437.41 = 312,796.05 : x - Step 2: Convert to fraction form
329,625.06/494,437.41 = 312,796.05/x - Step 3: Cross multiply
329,625.06x = 494,437.41 × 312,796.05 - Step 4: Simplify right side
329,625.06x = 154,658,068,820.23 - Step 5: Solve for x
x = 154,658,068,820.23/329,625.06 - Step 6: Final answer
x = 469,193.90
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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.