Finding the Fourth Proportional to 127,953.67, 191,923.58 and 39,207.43
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Solution
The fourth proportional to 127,953.67, 191,923.58 and 39,207.43 is: 58,809.02
Step by Step Solution
- Step 1: Write the proportion equation
127,953.67 : 191,923.58 = 39,207.43 : x - Step 2: Convert to fraction form
127,953.67/191,923.58 = 39,207.43/x - Step 3: Cross multiply
127,953.67x = 191,923.58 × 39,207.43 - Step 4: Simplify right side
127,953.67x = 7,524,830,328.20 - Step 5: Solve for x
x = 7,524,830,328.20/127,953.67 - Step 6: Final answer
x = 58,809.02
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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.