Finding the Fourth Proportional to 127,953.63, 191,923.53 and 39,207.41
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Solution
The fourth proportional to 127,953.63, 191,923.53 and 39,207.41 is: 58,808.99
Step by Step Solution
- Step 1: Write the proportion equation
127,953.63 : 191,923.53 = 39,207.41 : x - Step 2: Convert to fraction form
127,953.63/191,923.53 = 39,207.41/x - Step 3: Cross multiply
127,953.63x = 191,923.53 × 39,207.41 - Step 4: Simplify right side
127,953.63x = 7,524,823,569.74 - Step 5: Solve for x
x = 7,524,823,569.74/127,953.63 - Step 6: Final answer
x = 58,808.99
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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.