Finding the Fourth Proportional to 331,335.56, 457,226.67 and 202,124.87
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Solution
The fourth proportional to 331,335.56, 457,226.67 and 202,124.87 is: 278,922.31
Step by Step Solution
- Step 1: Write the proportion equation
331,335.56 : 457,226.67 = 202,124.87 : x - Step 2: Convert to fraction form
331,335.56/457,226.67 = 202,124.87/x - Step 3: Cross multiply
331,335.56x = 457,226.67 × 202,124.87 - Step 4: Simplify right side
331,335.56x = 92,416,881,420.72 - Step 5: Solve for x
x = 92,416,881,420.72/331,335.56 - Step 6: Final answer
x = 278,922.31
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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.