Finding the Fourth Proportional to 127,939.15, 191,908.54 and 34,444.99
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Solution
The fourth proportional to 127,939.15, 191,908.54 and 34,444.99 is: 51,667.44
Step by Step Solution
- Step 1: Write the proportion equation
127,939.15 : 191,908.54 = 34,444.99 : x - Step 2: Convert to fraction form
127,939.15/191,908.54 = 34,444.99/x - Step 3: Cross multiply
127,939.15x = 191,908.54 × 34,444.99 - Step 4: Simplify right side
127,939.15x = 6,610,287,741.21 - Step 5: Solve for x
x = 6,610,287,741.21/127,939.15 - Step 6: Final answer
x = 51,667.44
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1.5x scale
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.