Finding the Fourth Proportional to 250,983.08, 376,660.58 and 138,759.92
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Solution
The fourth proportional to 250,983.08, 376,660.58 and 138,759.92 is: 208,242.69
Step by Step Solution
- Step 1: Write the proportion equation
250,983.08 : 376,660.58 = 138,759.92 : x - Step 2: Convert to fraction form
250,983.08/376,660.58 = 138,759.92/x - Step 3: Cross multiply
250,983.08x = 376,660.58 × 138,759.92 - Step 4: Simplify right side
250,983.08x = 52,265,391,947.95 - Step 5: Solve for x
x = 52,265,391,947.95/250,983.08 - Step 6: Final answer
x = 208,242.69
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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.