Finding the Fourth Proportional to 127,709.19, 191,607.53 and 48,845.97
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Solution
The fourth proportional to 127,709.19, 191,607.53 and 48,845.97 is: 73,285.68
Step by Step Solution
- Step 1: Write the proportion equation
127,709.19 : 191,607.53 = 48,845.97 : x - Step 2: Convert to fraction form
127,709.19/191,607.53 = 48,845.97/x - Step 3: Cross multiply
127,709.19x = 191,607.53 × 48,845.97 - Step 4: Simplify right side
127,709.19x = 9,359,255,417.92 - Step 5: Solve for x
x = 9,359,255,417.92/127,709.19 - Step 6: Final answer
x = 73,285.68
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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.