Finding the Fourth Proportional to 757,089.51, 1,135,208.80 and 251,379.91
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Solution
The fourth proportional to 757,089.51, 1,135,208.80 and 251,379.91 is: 376,928.60
Step by Step Solution
- Step 1: Write the proportion equation
757,089.51 : 1,135,208.80 = 251,379.91 : x - Step 2: Convert to fraction form
757,089.51/1,135,208.80 = 251,379.91/x - Step 3: Cross multiply
757,089.51x = 1,135,208.80 × 251,379.91 - Step 4: Simplify right side
757,089.51x = 285,368,685,975.21 - Step 5: Solve for x
x = 285,368,685,975.21/757,089.51 - Step 6: Final answer
x = 376,928.60
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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.