Finding the Fourth Proportional to 377,511.36, 520,933.92 and 222,438.08
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Solution
The fourth proportional to 377,511.36, 520,933.92 and 222,438.08 is: 306,945.84
Step by Step Solution
- Step 1: Write the proportion equation
377,511.36 : 520,933.92 = 222,438.08 : x - Step 2: Convert to fraction form
377,511.36/520,933.92 = 222,438.08/x - Step 3: Cross multiply
377,511.36x = 520,933.92 × 222,438.08 - Step 4: Simplify right side
377,511.36x = 115,875,540,971.67 - Step 5: Solve for x
x = 115,875,540,971.67/377,511.36 - Step 6: Final answer
x = 306,945.84
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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.