Finding the Fourth Proportional to 135,787.30, 203,729.55 and 56,925.70
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Solution
The fourth proportional to 135,787.30, 203,729.55 and 56,925.70 is: 85,408.92
Step by Step Solution
- Step 1: Write the proportion equation
135,787.30 : 203,729.55 = 56,925.70 : x - Step 2: Convert to fraction form
135,787.30/203,729.55 = 56,925.70/x - Step 3: Cross multiply
135,787.30x = 203,729.55 × 56,925.70 - Step 4: Simplify right side
135,787.30x = 11,597,447,244.44 - Step 5: Solve for x
x = 11,597,447,244.44/135,787.30 - Step 6: Final answer
x = 85,408.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.