Finding the Fourth Proportional to 179,115.18, 247,178.96 and 98,540.98
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Solution
The fourth proportional to 179,115.18, 247,178.96 and 98,540.98 is: 135,986.56
Step by Step Solution
- Step 1: Write the proportion equation
179,115.18 : 247,178.96 = 98,540.98 : x - Step 2: Convert to fraction form
179,115.18/247,178.96 = 98,540.98/x - Step 3: Cross multiply
179,115.18x = 247,178.96 × 98,540.98 - Step 4: Simplify right side
179,115.18x = 24,357,256,953.78 - Step 5: Solve for x
x = 24,357,256,953.78/179,115.18 - Step 6: Final answer
x = 135,986.56
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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.