Finding the Fourth Proportional to 127,357.68, 191,037.05 and 38,611.97
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Solution
The fourth proportional to 127,357.68, 191,037.05 and 38,611.97 is: 57,918.11
Step by Step Solution
- Step 1: Write the proportion equation
127,357.68 : 191,037.05 = 38,611.97 : x - Step 2: Convert to fraction form
127,357.68/191,037.05 = 38,611.97/x - Step 3: Cross multiply
127,357.68x = 191,037.05 × 38,611.97 - Step 4: Simplify right side
127,357.68x = 7,376,315,695.24 - Step 5: Solve for x
x = 7,376,315,695.24/127,357.68 - Step 6: Final answer
x = 57,918.11
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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.