Finding the Fourth Proportional to 369,454.14, 509,846.79 and 199,687.74
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Solution
The fourth proportional to 369,454.14, 509,846.79 and 199,687.74 is: 275,569.12
Step by Step Solution
- Step 1: Write the proportion equation
369,454.14 : 509,846.79 = 199,687.74 : x - Step 2: Convert to fraction form
369,454.14/509,846.79 = 199,687.74/x - Step 3: Cross multiply
369,454.14x = 509,846.79 × 199,687.74 - Step 4: Simplify right side
369,454.14x = 101,810,153,241.36 - Step 5: Solve for x
x = 101,810,153,241.36/369,454.14 - Step 6: Final answer
x = 275,569.12
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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.