Finding the Fourth Proportional to 757,154.86, 1,135,486.56 and 251,580.08
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Solution
The fourth proportional to 757,154.86, 1,135,486.56 and 251,580.08 is: 377,288.47
Step by Step Solution
- Step 1: Write the proportion equation
757,154.86 : 1,135,486.56 = 251,580.08 : x - Step 2: Convert to fraction form
757,154.86/1,135,486.56 = 251,580.08/x - Step 3: Cross multiply
757,154.86x = 1,135,486.56 × 251,580.08 - Step 4: Simplify right side
757,154.86x = 285,665,799,603.73 - Step 5: Solve for x
x = 285,665,799,603.73/757,154.86 - Step 6: Final answer
x = 377,288.47
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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.