Finding the Fourth Proportional to 151,238.99, 226,998.81 and 76,411.70
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Solution
The fourth proportional to 151,238.99, 226,998.81 and 76,411.70 is: 114,688.44
Step by Step Solution
- Step 1: Write the proportion equation
151,238.99 : 226,998.81 = 76,411.70 : x - Step 2: Convert to fraction form
151,238.99/226,998.81 = 76,411.70/x - Step 3: Cross multiply
151,238.99x = 226,998.81 × 76,411.70 - Step 4: Simplify right side
151,238.99x = 17,345,363,835.08 - Step 5: Solve for x
x = 17,345,363,835.08/151,238.99 - Step 6: Final answer
x = 114,688.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.