Finding the Fourth Proportional to 310,936.91, 429,059.84 and 174,968.49
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Solution
The fourth proportional to 310,936.91, 429,059.84 and 174,968.49 is: 241,437.89
Step by Step Solution
- Step 1: Write the proportion equation
310,936.91 : 429,059.84 = 174,968.49 : x - Step 2: Convert to fraction form
310,936.91/429,059.84 = 174,968.49/x - Step 3: Cross multiply
310,936.91x = 429,059.84 × 174,968.49 - Step 4: Simplify right side
310,936.91x = 75,071,952,324.44 - Step 5: Solve for x
x = 75,071,952,324.44/310,936.91 - Step 6: Final answer
x = 241,437.89
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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.