Finding the Fourth Proportional to 287,074.94, 395,752.84 and 201,927.74
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Solution
The fourth proportional to 287,074.94, 395,752.84 and 201,927.74 is: 278,371.48
Step by Step Solution
- Step 1: Write the proportion equation
287,074.94 : 395,752.84 = 201,927.74 : x - Step 2: Convert to fraction form
287,074.94/395,752.84 = 201,927.74/x - Step 3: Cross multiply
287,074.94x = 395,752.84 × 201,927.74 - Step 4: Simplify right side
287,074.94x = 79,913,474,096.20 - Step 5: Solve for x
x = 79,913,474,096.20/287,074.94 - Step 6: Final answer
x = 278,371.48
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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.