Finding the Fourth Proportional to 274,430.89, 378,708.62 and 150,251.62
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Solution
The fourth proportional to 274,430.89, 378,708.62 and 150,251.62 is: 207,343.95
Step by Step Solution
- Step 1: Write the proportion equation
274,430.89 : 378,708.62 = 150,251.62 : x - Step 2: Convert to fraction form
274,430.89/378,708.62 = 150,251.62/x - Step 3: Cross multiply
274,430.89x = 378,708.62 × 150,251.62 - Step 4: Simplify right side
274,430.89x = 56,901,583,662.96 - Step 5: Solve for x
x = 56,901,583,662.96/274,430.89 - Step 6: Final answer
x = 207,343.95
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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.