Finding the Fourth Proportional to 179,138.28, 247,184.74 and 107,503.08
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Solution
The fourth proportional to 179,138.28, 247,184.74 and 107,503.08 is: 148,338.60
Step by Step Solution
- Step 1: Write the proportion equation
179,138.28 : 247,184.74 = 107,503.08 : x - Step 2: Convert to fraction form
179,138.28/247,184.74 = 107,503.08/x - Step 3: Cross multiply
179,138.28x = 247,184.74 × 107,503.08 - Step 4: Simplify right side
179,138.28x = 26,573,120,879.00 - Step 5: Solve for x
x = 26,573,120,879.00/179,138.28 - Step 6: Final answer
x = 148,338.60
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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.