Finding the Fourth Proportional to 257,826.24, 386,757.99 and 107,915.76
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Solution
The fourth proportional to 257,826.24, 386,757.99 and 107,915.76 is: 161,881.44
Step by Step Solution
- Step 1: Write the proportion equation
257,826.24 : 386,757.99 = 107,915.76 : x - Step 2: Convert to fraction form
257,826.24/386,757.99 = 107,915.76/x - Step 3: Cross multiply
257,826.24x = 386,757.99 × 107,915.76 - Step 4: Simplify right side
257,826.24x = 41,737,282,426.92 - Step 5: Solve for x
x = 41,737,282,426.92/257,826.24 - Step 6: Final answer
x = 161,881.44
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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.