Finding the Fourth Proportional to 151,257.24, 208,715.94 and 87,594.48
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Solution
The fourth proportional to 151,257.24, 208,715.94 and 87,594.48 is: 120,869.35
Step by Step Solution
- Step 1: Write the proportion equation
151,257.24 : 208,715.94 = 87,594.48 : x - Step 2: Convert to fraction form
151,257.24/208,715.94 = 87,594.48/x - Step 3: Cross multiply
151,257.24x = 208,715.94 × 87,594.48 - Step 4: Simplify right side
151,257.24x = 18,282,364,232.01 - Step 5: Solve for x
x = 18,282,364,232.01/151,257.24 - Step 6: Final answer
x = 120,869.35
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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.