Finding the Fourth Proportional to 179,378.28, 247,543.68 and 98,806.08
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Solution
The fourth proportional to 179,378.28, 247,543.68 and 98,806.08 is: 136,353.30
Step by Step Solution
- Step 1: Write the proportion equation
179,378.28 : 247,543.68 = 98,806.08 : x - Step 2: Convert to fraction form
179,378.28/247,543.68 = 98,806.08/x - Step 3: Cross multiply
179,378.28x = 247,543.68 × 98,806.08 - Step 4: Simplify right side
179,378.28x = 24,458,820,649.57 - Step 5: Solve for x
x = 24,458,820,649.57/179,378.28 - Step 6: Final answer
x = 136,353.30
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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.