Finding the Fourth Proportional to 179,178.21, 247,260.53 and 98,605.62
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Solution
The fourth proportional to 179,178.21, 247,260.53 and 98,605.62 is: 136,072.79
Step by Step Solution
- Step 1: Write the proportion equation
179,178.21 : 247,260.53 = 98,605.62 : x - Step 2: Convert to fraction form
179,178.21/247,260.53 = 98,605.62/x - Step 3: Cross multiply
179,178.21x = 247,260.53 × 98,605.62 - Step 4: Simplify right side
179,178.21x = 24,381,278,108.69 - Step 5: Solve for x
x = 24,381,278,108.69/179,178.21 - Step 6: Final answer
x = 136,072.79
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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.