Finding the Fourth Proportional to 169,898.24, 234,113.81 and 131,424.05
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Solution
The fourth proportional to 169,898.24, 234,113.81 and 131,424.05 is: 181,097.72
Step by Step Solution
- Step 1: Write the proportion equation
169,898.24 : 234,113.81 = 131,424.05 : x - Step 2: Convert to fraction form
169,898.24/234,113.81 = 131,424.05/x - Step 3: Cross multiply
169,898.24x = 234,113.81 × 131,424.05 - Step 4: Simplify right side
169,898.24x = 30,768,183,243.44 - Step 5: Solve for x
x = 30,768,183,243.44/169,898.24 - Step 6: Final answer
x = 181,097.72
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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.