Finding the Fourth Proportional to 377,198.49, 520,518.06 and 213,865.98
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Solution
The fourth proportional to 377,198.49, 520,518.06 and 213,865.98 is: 295,126.06
Step by Step Solution
- Step 1: Write the proportion equation
377,198.49 : 520,518.06 = 213,865.98 : x - Step 2: Convert to fraction form
377,198.49/520,518.06 = 213,865.98/x - Step 3: Cross multiply
377,198.49x = 520,518.06 × 213,865.98 - Step 4: Simplify right side
377,198.49x = 111,321,105,009.60 - Step 5: Solve for x
x = 111,321,105,009.60/377,198.49 - Step 6: Final answer
x = 295,126.06
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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.