Finding the Fourth Proportional to 250,898.21, 346,236.57 and 136,177.05
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Solution
The fourth proportional to 250,898.21, 346,236.57 and 136,177.05 is: 187,922.73
Step by Step Solution
- Step 1: Write the proportion equation
250,898.21 : 346,236.57 = 136,177.05 : x - Step 2: Convert to fraction form
250,898.21/346,236.57 = 136,177.05/x - Step 3: Cross multiply
250,898.21x = 346,236.57 × 136,177.05 - Step 4: Simplify right side
250,898.21x = 47,149,474,704.72 - Step 5: Solve for x
x = 47,149,474,704.72/250,898.21 - Step 6: Final answer
x = 187,922.73
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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.