Finding the Fourth Proportional to 247,275.24, 341,203.92 and 138,379.05
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Solution
The fourth proportional to 247,275.24, 341,203.92 and 138,379.05 is: 190,942.99
Step by Step Solution
- Step 1: Write the proportion equation
247,275.24 : 341,203.92 = 138,379.05 : x - Step 2: Convert to fraction form
247,275.24/341,203.92 = 138,379.05/x - Step 3: Cross multiply
247,275.24x = 341,203.92 × 138,379.05 - Step 4: Simplify right side
247,275.24x = 47,215,474,305.88 - Step 5: Solve for x
x = 47,215,474,305.88/247,275.24 - Step 6: Final answer
x = 190,942.99
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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.