Finding the Fourth Proportional to 151,125.56, 226,688.74 and 72,221.84
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Solution
The fourth proportional to 151,125.56, 226,688.74 and 72,221.84 is: 108,332.95
Step by Step Solution
- Step 1: Write the proportion equation
151,125.56 : 226,688.74 = 72,221.84 : x - Step 2: Convert to fraction form
151,125.56/226,688.74 = 72,221.84/x - Step 3: Cross multiply
151,125.56x = 226,688.74 × 72,221.84 - Step 4: Simplify right side
151,125.56x = 16,371,877,910.08 - Step 5: Solve for x
x = 16,371,877,910.08/151,125.56 - Step 6: Final answer
x = 108,332.95
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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.