Finding the Fourth Proportional to 751,905.94, 1,127,840.17 and 219,431.58
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Solution
The fourth proportional to 751,905.94, 1,127,840.17 and 219,431.58 is: 329,141.90
Step by Step Solution
- Step 1: Write the proportion equation
751,905.94 : 1,127,840.17 = 219,431.58 : x - Step 2: Convert to fraction form
751,905.94/1,127,840.17 = 219,431.58/x - Step 3: Cross multiply
751,905.94x = 1,127,840.17 × 219,431.58 - Step 4: Simplify right side
751,905.94x = 247,483,750,490.57 - Step 5: Solve for x
x = 247,483,750,490.57/751,905.94 - Step 6: Final answer
x = 329,141.90
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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.