Finding the Fourth Proportional to 792,125.36, 1,187,713.36 and 252,148.40
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Solution
The fourth proportional to 792,125.36, 1,187,713.36 and 252,148.40 is: 378,071.50
Step by Step Solution
- Step 1: Write the proportion equation
792,125.36 : 1,187,713.36 = 252,148.40 : x - Step 2: Convert to fraction form
792,125.36/1,187,713.36 = 252,148.40/x - Step 3: Cross multiply
792,125.36x = 1,187,713.36 × 252,148.40 - Step 4: Simplify right side
792,125.36x = 299,480,023,382.62 - Step 5: Solve for x
x = 299,480,023,382.62/792,125.36 - Step 6: Final answer
x = 378,071.50
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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.