Finding the Fourth Proportional to 331,054.34, 456,793.97 and 201,963.02
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Solution
The fourth proportional to 331,054.34, 456,793.97 and 201,963.02 is: 278,671.74
Step by Step Solution
- Step 1: Write the proportion equation
331,054.34 : 456,793.97 = 201,963.02 : x - Step 2: Convert to fraction form
331,054.34/456,793.97 = 201,963.02/x - Step 3: Cross multiply
331,054.34x = 456,793.97 × 201,963.02 - Step 4: Simplify right side
331,054.34x = 92,255,486,405.20 - Step 5: Solve for x
x = 92,255,486,405.20/331,054.34 - Step 6: Final answer
x = 278,671.74
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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.