Finding the Fourth Proportional to 285,714.41, 394,206.14 and 225,096.95
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Solution
The fourth proportional to 285,714.41, 394,206.14 and 225,096.95 is: 310,570.96
Step by Step Solution
- Step 1: Write the proportion equation
285,714.41 : 394,206.14 = 225,096.95 : x - Step 2: Convert to fraction form
285,714.41/394,206.14 = 225,096.95/x - Step 3: Cross multiply
285,714.41x = 394,206.14 × 225,096.95 - Step 4: Simplify right side
285,714.41x = 88,734,596,688.76 - Step 5: Solve for x
x = 88,734,596,688.76/285,714.41 - Step 6: Final answer
x = 310,570.96
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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.