Finding the Fourth Proportional to 127,441.99, 191,194.43 and 63,430.63
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Solution
The fourth proportional to 127,441.99, 191,194.43 and 63,430.63 is: 95,161.59
Step by Step Solution
- Step 1: Write the proportion equation
127,441.99 : 191,194.43 = 63,430.63 : x - Step 2: Convert to fraction form
127,441.99/191,194.43 = 63,430.63/x - Step 3: Cross multiply
127,441.99x = 191,194.43 × 63,430.63 - Step 4: Simplify right side
127,441.99x = 12,127,582,352.25 - Step 5: Solve for x
x = 12,127,582,352.25/127,441.99 - Step 6: Final answer
x = 95,161.59
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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.