Finding the Fourth Proportional to 321,754.74, 444,013.08 and 176,560.08
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Solution
The fourth proportional to 321,754.74, 444,013.08 and 176,560.08 is: 243,648.27
Step by Step Solution
- Step 1: Write the proportion equation
321,754.74 : 444,013.08 = 176,560.08 : x - Step 2: Convert to fraction form
321,754.74/444,013.08 = 176,560.08/x - Step 3: Cross multiply
321,754.74x = 444,013.08 × 176,560.08 - Step 4: Simplify right side
321,754.74x = 78,394,984,925.85 - Step 5: Solve for x
x = 78,394,984,925.85/321,754.74 - Step 6: Final answer
x = 243,648.27
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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.