Finding the Fourth Proportional to 127,584.99, 191,363.76 and 38,839.23
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Solution
The fourth proportional to 127,584.99, 191,363.76 and 38,839.23 is: 58,254.67
Step by Step Solution
- Step 1: Write the proportion equation
127,584.99 : 191,363.76 = 38,839.23 : x - Step 2: Convert to fraction form
127,584.99/191,363.76 = 38,839.23/x - Step 3: Cross multiply
127,584.99x = 191,363.76 × 38,839.23 - Step 4: Simplify right side
127,584.99x = 7,432,421,088.30 - Step 5: Solve for x
x = 7,432,421,088.30/127,584.99 - Step 6: Final answer
x = 58,254.67
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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.