Finding the Fourth Proportional to 294,942.75, 442,415.75 and 73,326.75
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Solution
The fourth proportional to 294,942.75, 442,415.75 and 73,326.75 is: 109,990.53
Step by Step Solution
- Step 1: Write the proportion equation
294,942.75 : 442,415.75 = 73,326.75 : x - Step 2: Convert to fraction form
294,942.75/442,415.75 = 73,326.75/x - Step 3: Cross multiply
294,942.75x = 442,415.75 × 73,326.75 - Step 4: Simplify right side
294,942.75x = 32,440,909,096.31 - Step 5: Solve for x
x = 32,440,909,096.31/294,942.75 - Step 6: Final answer
x = 109,990.53
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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.